Q: What is the sum of all factors of the number 3,620 excluding 3,620?
A: 4,024
The factors of the number 3,620 are: 1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620.
If you add them up, you will get the total of 3,624. Now subtract 3,620 to get 4,024