20116665

素因数分解:

$3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 34986120

約数和(自身を除く): 14869455

約数列:

[1, 3, 5, 9, 15, 45, 409, 1093, 1227, 2045, 3279, 3681, 5465, 6135, 9837, 16395, 18405, 49185, 447037, 1341111, 2235185, 4023333, 6705555, 20116665]

約数ペア:

[(1, 20116665), (3, 6705555), (5, 4023333), (9, 2235185), (15, 1341111), (45, 447037), (409, 49185), (1093, 18405), (1227, 16395), (2045, 9837), (3279, 6135), (3681, 5465)]