20873018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{557}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 32201064

約数和(自身を除く): 11328046

約数列:

[1, 2, 41, 82, 457, 557, 914, 1114, 18737, 22837, 37474, 45674, 254549, 509098, 10436509, 20873018]

約数ペア:

[(1, 20873018), (2, 10436509), (41, 509098), (82, 254549), (457, 45674), (557, 37474), (914, 22837), (1114, 18737)]