20904876

素因数分解:

$2^2\times 3^2\times {\mathrm{580691}}^1$

素因数の和:580701

約数の個数: 18

約数和(自身を含む): 52842972

約数和(自身を除く): 31938096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580691, 1161382, 1742073, 2322764, 3484146, 5226219, 6968292, 10452438, 20904876]

約数ペア:

[(1, 20904876), (2, 10452438), (3, 6968292), (4, 5226219), (6, 3484146), (9, 2322764), (12, 1742073), (18, 1161382), (36, 580691)]