20717508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246637}}^1$

素因数の和:246651

約数の個数: 24

約数和(自身を含む): 55246912

約数和(自身を除く): 34529404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246637, 493274, 739911, 986548, 1479822, 1726459, 2959644, 3452918, 5179377, 6905836, 10358754, 20717508]

約数ペア:

[(1, 20717508), (2, 10358754), (3, 6905836), (4, 5179377), (6, 3452918), (7, 2959644), (12, 1726459), (14, 1479822), (21, 986548), (28, 739911), (42, 493274), (84, 246637)]