20808484

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 37562616

約数和(自身を除く): 16754132

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 701, 724, 1402, 2804, 7421, 14842, 28741, 29684, 57482, 114964, 126881, 253762, 507524, 5202121, 10404242, 20808484]

約数ペア:

[(1, 20808484), (2, 10404242), (4, 5202121), (41, 507524), (82, 253762), (164, 126881), (181, 114964), (362, 57482), (701, 29684), (724, 28741), (1402, 14842), (2804, 7421)]