20121856247

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{17959}}^1$

素因数の和:18806

約数の個数: 16

約数和(自身を含む): 21241651200

約数和(自身を除く): 1119794953

約数列:

[1, 31, 47, 769, 1457, 17959, 23839, 36143, 556729, 844073, 1120433, 13810471, 26166263, 428124601, 649092137, 20121856247]

約数ペア:

[(1, 20121856247), (31, 649092137), (47, 428124601), (769, 26166263), (1457, 13810471), (17959, 1120433), (23839, 844073), (36143, 556729)]