20121247957

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{168869}}^1$

素因数の和:169092

約数の個数: 16

約数和(自身を含む): 21934186560

約数和(自身を除く): 1812938603

約数列:

[1, 17, 43, 163, 731, 2771, 7009, 119153, 168869, 2870773, 7261367, 27525647, 123443239, 467935999, 1183602821, 20121247957]

約数ペア:

[(1, 20121247957), (17, 1183602821), (43, 467935999), (163, 123443239), (731, 27525647), (2771, 7261367), (7009, 2870773), (119153, 168869)]