20942889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1\times {\mathrm{821}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 30538944

約数和(自身を除く): 9596055

約数列:

[1, 3, 11, 33, 773, 821, 2319, 2463, 8503, 9031, 25509, 27093, 634633, 1903899, 6980963, 20942889]

約数ペア:

[(1, 20942889), (3, 6980963), (11, 1903899), (33, 634633), (773, 27093), (821, 25509), (2319, 9031), (2463, 8503)]