Q: What is the sum of all factors of the number 206,820 including 206,820?

A: 645,120

Why is 645,120 the sum of all factors of 206,820, including 206,820?

The factors of the number 206,820 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 383, 540, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4596, 5745, 6894, 7660, 10341, 11490, 13788, 17235, 20682, 22980, 34470, 41364, 51705, 68940, 103410, 206820.

If you add them up, you will get the total of 645,120.