20180572540

素因数分解:

$2^2\times 5^1\times {\mathrm{7477}}^1\times {\mathrm{134951}}^1$

素因数の和:142437

約数の個数: 24

約数和(自身を含む): 42385184352

約数和(自身を除く): 22204611812

約数列:

[1, 2, 4, 5, 10, 20, 7477, 14954, 29908, 37385, 74770, 134951, 149540, 269902, 539804, 674755, 1349510, 2699020, 1009028627, 2018057254, 4036114508, 5045143135, 10090286270, 20180572540]

約数ペア:

[(1, 20180572540), (2, 10090286270), (4, 5045143135), (5, 4036114508), (10, 2018057254), (20, 1009028627), (7477, 2699020), (14954, 1349510), (29908, 674755), (37385, 539804), (74770, 269902), (134951, 149540)]