20097253

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^2$

素因数の和:193

約数の個数: 18

約数和(自身を含む): 23031078

約数和(自身を除く): 2933825

約数列:

[1, 11, 37, 67, 121, 407, 737, 2479, 4477, 4489, 8107, 27269, 49379, 166093, 299959, 543169, 1827023, 20097253]

約数ペア:

[(1, 20097253), (11, 1827023), (37, 543169), (67, 299959), (121, 166093), (407, 49379), (737, 27269), (2479, 8107), (4477, 4489)]