20965269

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17341}}^1$

素因数の和:17388

約数の個数: 16

約数和(自身を含む): 31076864

約数和(自身を除く): 10111595

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17341, 52023, 225433, 537571, 676299, 1612713, 6988423, 20965269]

約数ペア:

[(1, 20965269), (3, 6988423), (13, 1612713), (31, 676299), (39, 537571), (93, 225433), (403, 52023), (1209, 17341)]