#include <iostream>
#include <fstream>
#define N 100001
using namespace std;

int x,n,i,j,v[N];

ifstream f("sum.in");
ofstream g("sum.out");
int main()
{
    f>>n;
    for(i=2;i<N;i++)
        v[i]=i;
    for(i=2;i<N;i++)
        if(v[i]==i)
            for(j=i;j<N;j+=i)
                v[j]=v[j]/i*(i-1);

    for(i=1;i<=n;i++)
    {
        f>>x;
        g<<(long long)v[x]*2*x<<"\n";
    }

    return 0;
}