20851404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248231}}^1$

素因数の和:248245

約数の個数: 24

約数和(自身を含む): 55603968

約数和(自身を除く): 34752564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248231, 496462, 744693, 992924, 1489386, 1737617, 2978772, 3475234, 5212851, 6950468, 10425702, 20851404]

約数ペア:

[(1, 20851404), (2, 10425702), (3, 6950468), (4, 5212851), (6, 3475234), (7, 2978772), (12, 1737617), (14, 1489386), (21, 992924), (28, 744693), (42, 496462), (84, 248231)]