Q: What is the sum of all factors of the number 820,735,419 including 820,735,419?

A: 1,338,088,960

Why is 1,338,088,960 the sum of all factors of 820,735,419, including 820,735,419?

The factors of the number 820,735,419 are: 1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3477, 8113, 24339, 33721, 101163, 236047, 640699, 708141, 1922097, 2056981, 4484893, 6170943, 13454679, 14398867, 39082639, 43196601, 117247917, 273578473, 820735419.

If you add them up, you will get the total of 1,338,088,960.