20804162

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1093}}^1$

素因数の和:1433

約数の個数: 16

約数和(自身を含む): 32347392

約数和(自身を除く): 11543230

約数列:

[1, 2, 31, 62, 307, 614, 1093, 2186, 9517, 19034, 33883, 67766, 335551, 671102, 10402081, 20804162]

約数ペア:

[(1, 20804162), (2, 10402081), (31, 671102), (62, 335551), (307, 67766), (614, 33883), (1093, 19034), (2186, 9517)]