20006205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 33785856

約数和(自身を除く): 13779651

約数列:

[1, 3, 5, 15, 23, 69, 103, 115, 309, 345, 515, 563, 1545, 1689, 2369, 2815, 7107, 8445, 11845, 12949, 35535, 38847, 57989, 64745, 173967, 194235, 289945, 869835, 1333747, 4001241, 6668735, 20006205]

約数ペア:

[(1, 20006205), (3, 6668735), (5, 4001241), (15, 1333747), (23, 869835), (69, 289945), (103, 194235), (115, 173967), (309, 64745), (345, 57989), (515, 38847), (563, 35535), (1545, 12949), (1689, 11845), (2369, 8445), (2815, 7107)]