20552644

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17903}}^1$

素因数の和:17955

約数の個数: 24

約数和(自身を含む): 42110208

約数和(自身を除く): 21557564

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17903, 35806, 71612, 125321, 250642, 501284, 734023, 1468046, 2936092, 5138161, 10276322, 20552644]

約数ペア:

[(1, 20552644), (2, 10276322), (4, 5138161), (7, 2936092), (14, 1468046), (28, 734023), (41, 501284), (82, 250642), (164, 125321), (287, 71612), (574, 35806), (1148, 17903)]