20256876

素因数分解:

$2^2\times 3^2\times {\mathrm{562691}}^1$

素因数の和:562701

約数の個数: 18

約数和(自身を含む): 51204972

約数和(自身を除く): 30948096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 562691, 1125382, 1688073, 2250764, 3376146, 5064219, 6752292, 10128438, 20256876]

約数ペア:

[(1, 20256876), (2, 10128438), (3, 6752292), (4, 5064219), (6, 3376146), (9, 2250764), (12, 1688073), (18, 1125382), (36, 562691)]