20490186

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{8779}}^1$

素因数の和:9173

約数の個数: 16

約数和(自身を含む): 41090400

約数和(自身を除く): 20600214

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 8779, 17558, 26337, 52674, 3415031, 6830062, 10245093, 20490186]

約数ペア:

[(1, 20490186), (2, 10245093), (3, 6830062), (6, 3415031), (389, 52674), (778, 26337), (1167, 17558), (2334, 8779)]