22016920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4871}}^1$

素因数の和:4995

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 27969800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4871, 9742, 19484, 24355, 38968, 48710, 97420, 194840, 550423, 1100846, 2201692, 2752115, 4403384, 5504230, 11008460, 22016920]

約数ペア:

[(1, 22016920), (2, 11008460), (4, 5504230), (5, 4403384), (8, 2752115), (10, 2201692), (20, 1100846), (40, 550423), (113, 194840), (226, 97420), (452, 48710), (565, 38968), (904, 24355), (1130, 19484), (2260, 9742), (4520, 4871)]