20911804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2713}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 38299968

約数和(自身を除く): 17388164

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2713, 3854, 5426, 7708, 10852, 111233, 127511, 222466, 255022, 444932, 510044, 5227951, 10455902, 20911804]

約数ペア:

[(1, 20911804), (2, 10455902), (4, 5227951), (41, 510044), (47, 444932), (82, 255022), (94, 222466), (164, 127511), (188, 111233), (1927, 10852), (2713, 7708), (3854, 5426)]