20641743

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4271}}^1$

素因数の和:4459

約数の個数: 16

約数和(自身を含む): 30758400

約数和(自身を除く): 10116657

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4271, 4833, 12813, 38439, 115317, 764509, 2293527, 6880581, 20641743]

約数ペア:

[(1, 20641743), (3, 6880581), (9, 2293527), (27, 764509), (179, 115317), (537, 38439), (1611, 12813), (4271, 4833)]