#include <fstream>

using namespace std;

ifstream cin ("sum.in");
ofstream cout ("sum.out");

const int NMAX = 100005;

int e[NMAX];

void ciur()
{
    int i, j;
    for (i = 2; i <= NMAX; i++)
        e[i] = i;
    for (i = 2; i <= NMAX; i++)
    {
        if (e[i] == i)
        {
            for (j = i; j <= NMAX; j += i)
            {
                e[j] = e[j] / i * (i - 1);
            }
        }
    }
}

int main()
{
    long long n, s = 0, a;
    cin >> n;
    int i;
    ciur();
     for (i = 1; i <= n; i++)
    {
        cin >> a;
        cout << e[a] * a * 2 << '\n';
    }

    return 0;
}