20513735

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 27751248

約数和(自身を除く): 7237513

約数列:

[1, 5, 11, 41, 55, 121, 205, 451, 605, 827, 2255, 4135, 4961, 9097, 24805, 33907, 45485, 100067, 169535, 372977, 500335, 1864885, 4102747, 20513735]

約数ペア:

[(1, 20513735), (5, 4102747), (11, 1864885), (41, 500335), (55, 372977), (121, 169535), (205, 100067), (451, 45485), (605, 33907), (827, 24805), (2255, 9097), (4135, 4961)]