20001651

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1277}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 27972864

約数和(自身を除く): 7971213

約数列:

[1, 3, 23, 69, 227, 681, 1277, 3831, 5221, 15663, 29371, 88113, 289879, 869637, 6667217, 20001651]

約数ペア:

[(1, 20001651), (3, 6667217), (23, 869637), (69, 289879), (227, 88113), (681, 29371), (1277, 15663), (3831, 5221)]