20105381

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 22239360

約数和(自身を除く): 2133979

約数列:

[1, 23, 29, 43, 667, 701, 989, 1247, 16123, 20329, 28681, 30143, 467567, 693289, 874147, 20105381]

約数ペア:

[(1, 20105381), (23, 874147), (29, 693289), (43, 467567), (667, 30143), (701, 28681), (989, 20329), (1247, 16123)]