20117812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35171}}^1$

素因数の和:35199

約数の個数: 24

約数和(自身を含む): 41362272

約数和(自身を除く): 21244460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35171, 70342, 140684, 386881, 457223, 773762, 914446, 1547524, 1828892, 5029453, 10058906, 20117812]

約数ペア:

[(1, 20117812), (2, 10058906), (4, 5029453), (11, 1828892), (13, 1547524), (22, 914446), (26, 773762), (44, 457223), (52, 386881), (143, 140684), (286, 70342), (572, 35171)]