20809054

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87433}}^1$

素因数の和:87459

約数の個数: 16

約数和(自身を含む): 37771488

約数和(自身を除く): 16962434

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87433, 174866, 612031, 1224062, 1486361, 2972722, 10404527, 20809054]

約数ペア:

[(1, 20809054), (2, 10404527), (7, 2972722), (14, 1486361), (17, 1224062), (34, 612031), (119, 174866), (238, 87433)]