20149493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1237}}^1$

素因数の和:1436

約数の個数: 16

約数和(自身を含む): 24958080

約数和(自身を除く): 4808587

約数列:

[1, 7, 13, 91, 179, 1237, 1253, 2327, 8659, 16081, 16289, 112567, 221423, 1549961, 2878499, 20149493]

約数ペア:

[(1, 20149493), (7, 2878499), (13, 1549961), (91, 221423), (179, 112567), (1237, 16289), (1253, 16081), (2327, 8659)]