20090239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 22960000

約数和(自身を除く): 2869761

約数列:

[1, 13, 19, 163, 247, 499, 2119, 3097, 6487, 9481, 40261, 81337, 123253, 1057381, 1545403, 20090239]

約数ペア:

[(1, 20090239), (13, 1545403), (19, 1057381), (163, 123253), (247, 81337), (499, 40261), (2119, 9481), (3097, 6487)]