202077620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{61987}}^1$

素因数の和:62159

約数の個数: 24

約数和(自身を含む): 426973344

約数和(自身を除く): 224895724

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 61987, 123974, 247948, 309935, 619870, 1239740, 10103881, 20207762, 40415524, 50519405, 101038810, 202077620]

約数ペア:

[(1, 202077620), (2, 101038810), (4, 50519405), (5, 40415524), (10, 20207762), (20, 10103881), (163, 1239740), (326, 619870), (652, 309935), (815, 247948), (1630, 123974), (3260, 61987)]