20013136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8747}}^1$

素因数の和:8779

約数の個数: 40

約数和(自身を含む): 45559584

約数和(自身を除く): 25546448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8747, 17494, 34988, 69976, 96217, 113711, 139952, 192434, 227422, 384868, 454844, 769736, 909688, 1250821, 1539472, 1819376, 2501642, 5003284, 10006568, 20013136]

約数ペア:

[(1, 20013136), (2, 10006568), (4, 5003284), (8, 2501642), (11, 1819376), (13, 1539472), (16, 1250821), (22, 909688), (26, 769736), (44, 454844), (52, 384868), (88, 227422), (104, 192434), (143, 139952), (176, 113711), (208, 96217), (286, 69976), (572, 34988), (1144, 17494), (2288, 8747)]