#include <cstdio>
using namespace std;
int c[100005];
inline void ciur(int n)
{
    int i,j;
    for(i=1; i<=n; ++i)
        c[i]=i;
    for(i=2; i<=n; ++i)
        if (c[i]==i)
        {
            for(j=(i<<1); j<=n; j+=i)
                c[j]=c[j]/i*(i-1);
            c[i]=i-1;
        }
}
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int n,x,i;
    scanf("%d",&n);
    ciur(100000);
    for(i=1; i<=n; ++i)
    {
        scanf("%d",&x);
        printf("%lld\n",(x*c[x])<<1);
    }
    return 0;
}