20571848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7541}}^1$

素因数の和:7589

約数の個数: 32

約数和(自身を含む): 43441920

約数和(自身を除く): 22870072

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7541, 15082, 30164, 60328, 82951, 165902, 233771, 331804, 467542, 663608, 935084, 1870168, 2571481, 5142962, 10285924, 20571848]

約数ペア:

[(1, 20571848), (2, 10285924), (4, 5142962), (8, 2571481), (11, 1870168), (22, 935084), (31, 663608), (44, 467542), (62, 331804), (88, 233771), (124, 165902), (248, 82951), (341, 60328), (682, 30164), (1364, 15082), (2728, 7541)]