Q: What is the sum of all factors of the number 20,825 excluding 20,825?
A: 10,981
The factors of the number 20,825 are: 1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1225, 2975, 4165, 20825.
If you add them up, you will get the total of 20,835. Now subtract 20,825 to get 10,981