20791384

素因数分解:

$2^3\times {\mathrm{107}}^2\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 39524940

約数和(自身を除く): 18733556

約数列:

[1, 2, 4, 8, 107, 214, 227, 428, 454, 856, 908, 1816, 11449, 22898, 24289, 45796, 48578, 91592, 97156, 194312, 2598923, 5197846, 10395692, 20791384]

約数ペア:

[(1, 20791384), (2, 10395692), (4, 5197846), (8, 2598923), (107, 194312), (214, 97156), (227, 91592), (428, 48578), (454, 45796), (856, 24289), (908, 22898), (1816, 11449)]