20659816

素因数分解:

$2^3\times {\mathrm{1213}}^1\times {\mathrm{2129}}^1$

素因数の和:3348

約数の個数: 16

約数和(自身を含む): 38787300

約数和(自身を除く): 18127484

約数列:

[1, 2, 4, 8, 1213, 2129, 2426, 4258, 4852, 8516, 9704, 17032, 2582477, 5164954, 10329908, 20659816]

約数ペア:

[(1, 20659816), (2, 10329908), (4, 5164954), (8, 2582477), (1213, 17032), (2129, 9704), (2426, 8516), (4258, 4852)]