#include <bits/stdc++.h>

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