20008978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5081}}^1$

素因数の和:5273

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 12922382

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5081, 10162, 55891, 111782, 909499, 1818998, 10004489, 20008978]

約数ペア:

[(1, 20008978), (2, 10004489), (11, 1818998), (22, 909499), (179, 111782), (358, 55891), (1969, 10162), (3938, 5081)]