20381796

素因数分解:

$2^2\times 3^2\times {\mathrm{566161}}^1$

素因数の和:566171

約数の個数: 18

約数和(自身を含む): 51520742

約数和(自身を除く): 31138946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 566161, 1132322, 1698483, 2264644, 3396966, 5095449, 6793932, 10190898, 20381796]

約数ペア:

[(1, 20381796), (2, 10190898), (3, 6793932), (4, 5095449), (6, 3396966), (9, 2264644), (12, 1698483), (18, 1132322), (36, 566161)]