20337512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{691}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 41270880

約数和(自身を除く): 20933368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 691, 1132, 1382, 2264, 2764, 3679, 5528, 7358, 8983, 14716, 17966, 29432, 35932, 71864, 195553, 391106, 782212, 1564424, 2542189, 5084378, 10168756, 20337512]

約数ペア:

[(1, 20337512), (2, 10168756), (4, 5084378), (8, 2542189), (13, 1564424), (26, 782212), (52, 391106), (104, 195553), (283, 71864), (566, 35932), (691, 29432), (1132, 17966), (1382, 14716), (2264, 8983), (2764, 7358), (3679, 5528)]