20955850

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3709}}^1$

素因数の和:3834

約数の個数: 24

約数和(自身を含む): 39333420

約数和(自身を除く): 18377570

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3709, 5650, 7418, 18545, 37090, 92725, 185450, 419117, 838234, 2095585, 4191170, 10477925, 20955850]

約数ペア:

[(1, 20955850), (2, 10477925), (5, 4191170), (10, 2095585), (25, 838234), (50, 419117), (113, 185450), (226, 92725), (565, 37090), (1130, 18545), (2825, 7418), (3709, 5650)]