Q: What is the sum of all factors of the number 20,688 excluding 20,688?
A: 32,880
The factors of the number 20,688 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431, 862, 1293, 1724, 2586, 3448, 5172, 6896, 10344, 20688.
If you add them up, you will get the total of 20,720. Now subtract 20,688 to get 32,880