20085877

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 24295680

約数和(自身を除く): 4209803

約数列:

[1, 7, 23, 73, 161, 511, 1679, 1709, 11753, 11963, 39307, 124757, 275149, 873299, 2869411, 20085877]

約数ペア:

[(1, 20085877), (7, 2869411), (23, 873299), (73, 275149), (161, 124757), (511, 39307), (1679, 11963), (1709, 11753)]