20583451

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 3651749

約数列:

[1, 7, 53, 109, 371, 509, 763, 3563, 5777, 26977, 40439, 55481, 188839, 388367, 2940493, 20583451]

約数ペア:

[(1, 20583451), (7, 2940493), (53, 388367), (109, 188839), (371, 55481), (509, 40439), (763, 26977), (3563, 5777)]