20876844

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40459}}^1$

素因数の和:40509

約数の個数: 24

約数和(自身を含む): 49846720

約数和(自身を除く): 28969876

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40459, 80918, 121377, 161836, 242754, 485508, 1739737, 3479474, 5219211, 6958948, 10438422, 20876844]

約数ペア:

[(1, 20876844), (2, 10438422), (3, 6958948), (4, 5219211), (6, 3479474), (12, 1739737), (43, 485508), (86, 242754), (129, 161836), (172, 121377), (258, 80918), (516, 40459)]