20123409610

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4297}}^1\times {\mathrm{10891}}^1$

素因数の和:15238

約数の個数: 32

約数和(自身を含む): 37076542272

約数和(自身を除く): 16953132662

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4297, 8594, 10891, 21485, 21782, 42970, 54455, 108910, 184771, 369542, 468313, 923855, 936626, 1847710, 2341565, 4683130, 46798627, 93597254, 233993135, 467986270, 2012340961, 4024681922, 10061704805, 20123409610]

約数ペア:

[(1, 20123409610), (2, 10061704805), (5, 4024681922), (10, 2012340961), (43, 467986270), (86, 233993135), (215, 93597254), (430, 46798627), (4297, 4683130), (8594, 2341565), (10891, 1847710), (21485, 936626), (21782, 923855), (42970, 468313), (54455, 369542), (108910, 184771)]