Q: What is the sum of all factors of the number 20,400,401 excluding 20,400,401?
A: 2,991,343
The factors of the number 20,400,401 are: 1, 7, 313, 2191, 9311, 65177, 2914343, 20400401.
If you add them up, you will get the total of 20,400,403. Now subtract 20,400,401 to get 2,991,343