20815436

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 37317840

約数和(自身を除く): 16502404

約数列:

[1, 2, 4, 59, 118, 193, 236, 386, 457, 772, 914, 1828, 11387, 22774, 26963, 45548, 53926, 88201, 107852, 176402, 352804, 5203859, 10407718, 20815436]

約数ペア:

[(1, 20815436), (2, 10407718), (4, 5203859), (59, 352804), (118, 176402), (193, 107852), (236, 88201), (386, 53926), (457, 45548), (772, 26963), (914, 22774), (1828, 11387)]