20868134

素因数分解:

$2^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2861}}^1$

素因数の和:3391

約数の個数: 16

約数和(自身を含む): 35855136

約数和(自身を除く): 14987002

約数列:

[1, 2, 7, 14, 521, 1042, 2861, 3647, 5722, 7294, 20027, 40054, 1490581, 2981162, 10434067, 20868134]

約数ペア:

[(1, 20868134), (2, 10434067), (7, 2981162), (14, 1490581), (521, 40054), (1042, 20027), (2861, 7294), (3647, 5722)]