20284012

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17669}}^1$

素因数の和:17721

約数の個数: 24

約数和(自身を含む): 41559840

約数和(自身を除く): 21275828

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17669, 35338, 70676, 123683, 247366, 494732, 724429, 1448858, 2897716, 5071003, 10142006, 20284012]

約数ペア:

[(1, 20284012), (2, 10142006), (4, 5071003), (7, 2897716), (14, 1448858), (28, 724429), (41, 494732), (82, 247366), (164, 123683), (287, 70676), (574, 35338), (1148, 17669)]