20392581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1987}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 29772288

約数和(自身を除く): 9379707

約数列:

[1, 3, 11, 33, 311, 933, 1987, 3421, 5961, 10263, 21857, 65571, 617957, 1853871, 6797527, 20392581]

約数ペア:

[(1, 20392581), (3, 6797527), (11, 1853871), (33, 617957), (311, 65571), (933, 21857), (1987, 10263), (3421, 5961)]