Q: What is the sum of all factors of the number 39,820 excluding 39,820?
A: 51,908
The factors of the number 39,820 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 19910, 39820.
If you add them up, you will get the total of 39,871. Now subtract 39,820 to get 51,908