20189276

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{71089}}^1$

素因数の和:71164

約数の個数: 12

約数和(自身を含む): 35829360

約数和(自身を除く): 15640084

約数列:

[1, 2, 4, 71, 142, 284, 71089, 142178, 284356, 5047319, 10094638, 20189276]

約数ペア:

[(1, 20189276), (2, 10094638), (4, 5047319), (71, 284356), (142, 142178), (284, 71089)]