20175628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7517}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 39153744

約数和(自身を除く): 18978116

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7517, 15034, 30068, 82687, 165374, 330748, 458537, 917074, 1834148, 5043907, 10087814, 20175628]

約数ペア:

[(1, 20175628), (2, 10087814), (4, 5043907), (11, 1834148), (22, 917074), (44, 458537), (61, 330748), (122, 165374), (244, 82687), (671, 30068), (1342, 15034), (2684, 7517)]