20199665225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{1429}}^1\times {\mathrm{29759}}^1$

素因数の和:31217

約数の個数: 24

約数和(自身を含む): 26385216000

約数和(自身を除く): 6185550775

約数列:

[1, 5, 19, 25, 95, 475, 1429, 7145, 27151, 29759, 35725, 135755, 148795, 565421, 678775, 743975, 2827105, 14135525, 42525611, 212628055, 807986609, 1063140275, 4039933045, 20199665225]

約数ペア:

[(1, 20199665225), (5, 4039933045), (19, 1063140275), (25, 807986609), (95, 212628055), (475, 42525611), (1429, 14135525), (7145, 2827105), (27151, 743975), (29759, 678775), (35725, 565421), (135755, 148795)]