20406730

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9151}}^1$

素因数の和:9381

約数の個数: 16

約数和(自身を含む): 36900864

約数和(自身を除く): 16494134

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9151, 18302, 45755, 91510, 2040673, 4081346, 10203365, 20406730]

約数ペア:

[(1, 20406730), (2, 10203365), (5, 4081346), (10, 2040673), (223, 91510), (446, 45755), (1115, 18302), (2230, 9151)]