20289451

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3779}}^1$

素因数の和:3858

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 5112149

約数列:

[1, 7, 13, 59, 91, 413, 767, 3779, 5369, 26453, 49127, 222961, 343889, 1560727, 2898493, 20289451]

約数ペア:

[(1, 20289451), (7, 2898493), (13, 1560727), (59, 343889), (91, 222961), (413, 49127), (767, 26453), (3779, 5369)]