20993409

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{26209}}^1$

素因数の和:26304

約数の個数: 12

約数和(自身を含む): 30665700

約数和(自身を除く): 9672291

約数列:

[1, 3, 9, 89, 267, 801, 26209, 78627, 235881, 2332601, 6997803, 20993409]

約数ペア:

[(1, 20993409), (3, 6997803), (9, 2332601), (89, 235881), (267, 78627), (801, 26209)]