20680394

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2341}}^1$

素因数の和:2981

約数の個数: 16

約数和(自身を含む): 35523456

約数和(自身を除く): 14843062

約数列:

[1, 2, 7, 14, 631, 1262, 2341, 4417, 4682, 8834, 16387, 32774, 1477171, 2954342, 10340197, 20680394]

約数ペア:

[(1, 20680394), (2, 10340197), (7, 2954342), (14, 1477171), (631, 32774), (1262, 16387), (2341, 8834), (4417, 4682)]