#include <fstream>

using namespace std;

const int VMAX = 1e5;

int e[VMAX+1];

void calcul_euler()
{
    for (int i = 1; i <= VMAX; i++)
    {
        e[i] = i;
    }
    for (int d = 2; d <= VMAX; d++)
    {
        if (e[d] == d)
        {
            for (int m = d; m <= VMAX; m += d)
            {
                e[m] = e[m] / d * (d - 1);
            }
        }
    }
}

int main()
{
    ifstream in("sum.in");
    ofstream out("sum.out");
    calcul_euler();
    int t;
    in >> t;
    for (int i = 0; i < t; i++)
    {
        int n;
        in >> n;
        out << 2LL * n * e[n] << "\n";
    }
    in.close();
    out.close();
    return 0;
}