20990519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{2269}}^1$

素因数の和:2338

約数の個数: 12

約数和(自身を含む): 23726040

約数和(自身を除く): 2735521

約数列:

[1, 11, 29, 319, 841, 2269, 9251, 24959, 65801, 723811, 1908229, 20990519]

約数ペア:

[(1, 20990519), (11, 1908229), (29, 723811), (319, 65801), (841, 24959), (2269, 9251)]