20426857

素因数分解:

${\mathrm{11}}^3\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 16

約数和(自身を含む): 22838400

約数和(自身を除く): 2411543

約数列:

[1, 11, 103, 121, 149, 1133, 1331, 1639, 12463, 15347, 18029, 137093, 168817, 198319, 1856987, 20426857]

約数ペア:

[(1, 20426857), (11, 1856987), (103, 198319), (121, 168817), (149, 137093), (1133, 18029), (1331, 15347), (1639, 12463)]