20147650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9371}}^1$

素因数の和:9426

約数の個数: 24

約数和(自身を含む): 38350224

約数和(自身を除く): 18202574

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9371, 18742, 46855, 93710, 234275, 402953, 468550, 805906, 2014765, 4029530, 10073825, 20147650]

約数ペア:

[(1, 20147650), (2, 10073825), (5, 4029530), (10, 2014765), (25, 805906), (43, 468550), (50, 402953), (86, 234275), (215, 93710), (430, 46855), (1075, 18742), (2150, 9371)]