20321231

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{1811}}^1$

素因数の和:2054

約数の個数: 12

約数和(自身を含む): 23755320

約数和(自身を除く): 3434089

約数列:

[1, 7, 49, 229, 1603, 1811, 11221, 12677, 88739, 414719, 2903033, 20321231]

約数ペア:

[(1, 20321231), (7, 2903033), (49, 414719), (229, 88739), (1603, 12677), (1811, 11221)]