20037688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2089}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 41382000

約数和(自身を除く): 21344312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2089, 2398, 4178, 4796, 8356, 9592, 16712, 22979, 45958, 91916, 183832, 227701, 455402, 910804, 1821608, 2504711, 5009422, 10018844, 20037688]

約数ペア:

[(1, 20037688), (2, 10018844), (4, 5009422), (8, 2504711), (11, 1821608), (22, 910804), (44, 455402), (88, 227701), (109, 183832), (218, 91916), (436, 45958), (872, 22979), (1199, 16712), (2089, 9592), (2398, 8356), (4178, 4796)]