20779533

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{62401}}^1$

素因数の和:62444

約数の個数: 12

約数和(自身を含む): 30826588

約数和(自身を除く): 10047055

約数列:

[1, 3, 9, 37, 111, 333, 62401, 187203, 561609, 2308837, 6926511, 20779533]

約数ペア:

[(1, 20779533), (3, 6926511), (9, 2308837), (37, 561609), (111, 187203), (333, 62401)]