20166957

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 31537792

約数和(自身を除く): 11370835

約数列:

[1, 3, 9, 31, 41, 43, 93, 123, 129, 279, 369, 387, 1271, 1333, 1681, 1763, 3813, 3999, 5043, 5289, 11439, 11997, 15129, 15867, 52111, 54653, 72283, 156333, 163959, 216849, 468999, 491877, 650547, 2240773, 6722319, 20166957]

約数ペア:

[(1, 20166957), (3, 6722319), (9, 2240773), (31, 650547), (41, 491877), (43, 468999), (93, 216849), (123, 163959), (129, 156333), (279, 72283), (369, 54653), (387, 52111), (1271, 15867), (1333, 15129), (1681, 11997), (1763, 11439), (3813, 5289), (3999, 5043)]