20164579660

素因数分解:

$2^2\times 5^1\times {\mathrm{8009}}^1\times {\mathrm{125887}}^1$

素因数の和:133905

約数の個数: 24

約数和(自身を含む): 42351240960

約数和(自身を除く): 22186661300

約数列:

[1, 2, 4, 5, 10, 20, 8009, 16018, 32036, 40045, 80090, 125887, 160180, 251774, 503548, 629435, 1258870, 2517740, 1008228983, 2016457966, 4032915932, 5041144915, 10082289830, 20164579660]

約数ペア:

[(1, 20164579660), (2, 10082289830), (4, 5041144915), (5, 4032915932), (10, 2016457966), (20, 1008228983), (8009, 2517740), (16018, 1258870), (32036, 629435), (40045, 503548), (80090, 251774), (125887, 160180)]