20327020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145193}}^1$

素因数の和:145209

約数の個数: 24

約数和(自身を含む): 48785184

約数和(自身を除く): 28458164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145193, 290386, 580772, 725965, 1016351, 1451930, 2032702, 2903860, 4065404, 5081755, 10163510, 20327020]

約数ペア:

[(1, 20327020), (2, 10163510), (4, 5081755), (5, 4065404), (7, 2903860), (10, 2032702), (14, 1451930), (20, 1016351), (28, 725965), (35, 580772), (70, 290386), (140, 145193)]