20512238375

素因数分解:

$5^3\times {\mathrm{97}}^1\times {\mathrm{433}}^1\times {\mathrm{3907}}^1$

素因数の和:4452

約数の個数: 32

約数和(自身を含む): 25929548736

約数和(自身を除く): 5417310361

約数列:

[1, 5, 25, 97, 125, 433, 485, 2165, 2425, 3907, 10825, 12125, 19535, 42001, 54125, 97675, 210005, 378979, 488375, 1050025, 1691731, 1894895, 5250125, 8458655, 9474475, 42293275, 47372375, 164097907, 211466375, 820489535, 4102447675, 20512238375]

約数ペア:

[(1, 20512238375), (5, 4102447675), (25, 820489535), (97, 211466375), (125, 164097907), (433, 47372375), (485, 42293275), (2165, 9474475), (2425, 8458655), (3907, 5250125), (10825, 1894895), (12125, 1691731), (19535, 1050025), (42001, 488375), (54125, 378979), (97675, 210005)]