20650696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3847}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 42943680

約数和(自身を除く): 22292984

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3847, 5368, 7694, 15388, 30776, 42317, 84634, 169268, 234667, 338536, 469334, 938668, 1877336, 2581337, 5162674, 10325348, 20650696]

約数ペア:

[(1, 20650696), (2, 10325348), (4, 5162674), (8, 2581337), (11, 1877336), (22, 938668), (44, 469334), (61, 338536), (88, 234667), (122, 169268), (244, 84634), (488, 42317), (671, 30776), (1342, 15388), (2684, 7694), (3847, 5368)]