20187550

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2477}}^1$

素因数の和:2652

約数の個数: 24

約数和(自身を含む): 37794456

約数和(自身を除く): 17606906

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2477, 4075, 4954, 8150, 12385, 24770, 61925, 123850, 403751, 807502, 2018755, 4037510, 10093775, 20187550]

約数ペア:

[(1, 20187550), (2, 10093775), (5, 4037510), (10, 2018755), (25, 807502), (50, 403751), (163, 123850), (326, 61925), (815, 24770), (1630, 12385), (2477, 8150), (4075, 4954)]