20497763

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 24712464

約数和(自身を除く): 4214701

約数列:

[1, 11, 13, 83, 121, 143, 157, 913, 1079, 1573, 1727, 2041, 10043, 11869, 13031, 18997, 22451, 130559, 143341, 169403, 246961, 1576751, 1863433, 20497763]

約数ペア:

[(1, 20497763), (11, 1863433), (13, 1576751), (83, 246961), (121, 169403), (143, 143341), (157, 130559), (913, 22451), (1079, 18997), (1573, 13031), (1727, 11869), (2041, 10043)]