20311239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2161}}^1$

素因数の和:2418

約数の個数: 16

約数和(自身を含む): 29299424

約数和(自身を除く): 8988185

約数列:

[1, 3, 13, 39, 241, 723, 2161, 3133, 6483, 9399, 28093, 84279, 520801, 1562403, 6770413, 20311239]

約数ペア:

[(1, 20311239), (3, 6770413), (13, 1562403), (39, 520801), (241, 84279), (723, 28093), (2161, 9399), (3133, 6483)]