20390029

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 3124595

約数列:

[1, 11, 23, 83, 253, 913, 971, 1909, 10681, 20999, 22333, 80593, 245663, 886523, 1853639, 20390029]

約数ペア:

[(1, 20390029), (11, 1853639), (23, 886523), (83, 245663), (253, 80593), (913, 22333), (971, 20999), (1909, 10681)]