20156987128

素因数分解:

$2^3\times {\mathrm{8009}}^1\times {\mathrm{314599}}^1$

素因数の和:322614

約数の個数: 16

約数和(自身を含む): 37799190000

約数和(自身を除く): 17642202872

約数列:

[1, 2, 4, 8, 8009, 16018, 32036, 64072, 314599, 629198, 1258396, 2516792, 2519623391, 5039246782, 10078493564, 20156987128]

約数ペア:

[(1, 20156987128), (2, 10078493564), (4, 5039246782), (8, 2519623391), (8009, 2516792), (16018, 1258396), (32036, 629198), (64072, 314599)]