20906834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25939}}^1$

素因数の和:25985

約数の個数: 16

約数和(自身を含む): 34863360

約数和(自身を除く): 13956526

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25939, 51878, 337207, 674414, 804109, 1608218, 10453417, 20906834]

約数ペア:

[(1, 20906834), (2, 10453417), (13, 1608218), (26, 804109), (31, 674414), (62, 337207), (403, 51878), (806, 25939)]