20997150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139981}}^1$

素因数の和:139996

約数の個数: 24

約数和(自身を含む): 52073304

約数和(自身を除く): 31076154

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 139981, 279962, 419943, 699905, 839886, 1399810, 2099715, 3499525, 4199430, 6999050, 10498575, 20997150]

約数ペア:

[(1, 20997150), (2, 10498575), (3, 6999050), (5, 4199430), (6, 3499525), (10, 2099715), (15, 1399810), (25, 839886), (30, 699905), (50, 419943), (75, 279962), (150, 139981)]