20880034

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2203}}^1$

素因数の和:2889

約数の個数: 16

約数和(自身を含む): 35863488

約数和(自身を除く): 14983454

約数列:

[1, 2, 7, 14, 677, 1354, 2203, 4406, 4739, 9478, 15421, 30842, 1491431, 2982862, 10440017, 20880034]

約数ペア:

[(1, 20880034), (2, 10440017), (7, 2982862), (14, 1491431), (677, 30842), (1354, 15421), (2203, 9478), (4406, 4739)]