20387896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149911}}^1$

素因数の和:149934

約数の個数: 16

約数和(自身を含む): 40476240

約数和(自身を除く): 20088344

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149911, 299822, 599644, 1199288, 2548487, 5096974, 10193948, 20387896]

約数ペア:

[(1, 20387896), (2, 10193948), (4, 5096974), (8, 2548487), (17, 1199288), (34, 599644), (68, 299822), (136, 149911)]