20824285

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 26883360

約数和(自身を除く): 6059075

約数列:

[1, 5, 19, 83, 95, 139, 361, 415, 695, 1577, 1805, 2641, 7885, 11537, 13205, 29963, 50179, 57685, 149815, 219203, 250895, 1096015, 4164857, 20824285]

約数ペア:

[(1, 20824285), (5, 4164857), (19, 1096015), (83, 250895), (95, 219203), (139, 149815), (361, 57685), (415, 50179), (695, 29963), (1577, 13205), (1805, 11537), (2641, 7885)]