20647586

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 31584384

約数和(自身を除く): 10936798

約数列:

[1, 2, 103, 113, 206, 226, 887, 1774, 11639, 23278, 91361, 100231, 182722, 200462, 10323793, 20647586]

約数ペア:

[(1, 20647586), (2, 10323793), (103, 200462), (113, 182722), (206, 100231), (226, 91361), (887, 23278), (1774, 11639)]