20938411

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 2503637

約数列:

[1, 13, 37, 101, 431, 481, 1313, 3737, 5603, 15947, 43531, 48581, 207311, 565903, 1610647, 20938411]

約数ペア:

[(1, 20938411), (13, 1610647), (37, 565903), (101, 207311), (431, 48581), (481, 43531), (1313, 15947), (3737, 5603)]