20572404

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39869}}^1$

素因数の和:39919

約数の個数: 24

約数和(自身を含む): 49119840

約数和(自身を除く): 28547436

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39869, 79738, 119607, 159476, 239214, 478428, 1714367, 3428734, 5143101, 6857468, 10286202, 20572404]

約数ペア:

[(1, 20572404), (2, 10286202), (3, 6857468), (4, 5143101), (6, 3428734), (12, 1714367), (43, 478428), (86, 239214), (129, 159476), (172, 119607), (258, 79738), (516, 39869)]