20005905

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16069}}^1$

素因数の和:16160

約数の個数: 16

約数和(自身を含む): 32397120

約数和(自身を除く): 12391215

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16069, 48207, 80345, 241035, 1333727, 4001181, 6668635, 20005905]

約数ペア:

[(1, 20005905), (3, 6668635), (5, 4001181), (15, 1333727), (83, 241035), (249, 80345), (415, 48207), (1245, 16069)]