#include <fstream>

using namespace std;

ifstream fi("sum.in");
ofstream fo("sum.out");

const int maxn = 100000;

long long int phi[maxn + 1];
int N;

void indicator()
{
	for (int i = 1;i <= maxn;i++)
		phi[i] = i;
	for (int i = 2;i <= maxn;i++)
		if (phi[i] == i)
		{
			for (int j = i;j <= maxn;j += i)
				phi[j] /= i, phi[j] *= (i - 1);
		}
	return;
}

int main()
{
	fi >> N;
	indicator();
	for (int i = 1;i <= N;i++)
	{
		int nr;
		fi >> nr;
		fo << 2 * nr*phi[nr] << '\n';
	}
	return 0;
}