20450804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6367}}^1$

素因数の和:6455

約数の個数: 24

約数和(自身を含む): 39583488

約数和(自身を除く): 19132684

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6367, 12734, 25468, 70037, 140074, 280148, 464791, 929582, 1859164, 5112701, 10225402, 20450804]

約数ペア:

[(1, 20450804), (2, 10225402), (4, 5112701), (11, 1859164), (22, 929582), (44, 464791), (73, 280148), (146, 140074), (292, 70037), (803, 25468), (1606, 12734), (3212, 6367)]