72242020

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{3323}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 151893504

約数和(自身を除く): 79651484

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 3323, 4348, 5435, 6646, 10870, 13292, 16615, 21740, 33230, 66460, 3612101, 7224202, 14448404, 18060505, 36121010, 72242020]

約数ペア:

[(1, 72242020), (2, 36121010), (4, 18060505), (5, 14448404), (10, 7224202), (20, 3612101), (1087, 66460), (2174, 33230), (3323, 21740), (4348, 16615), (5435, 13292), (6646, 10870)]