20319990481

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2685343}}^1$

素因数の和:2685420

約数の個数: 16

約数和(自身を含む): 24748130304

約数和(自身を除く): 4428139823

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 2685343, 18797401, 61762889, 126211121, 432340223, 883477847, 2902855783, 20319990481]

約数ペア:

[(1, 20319990481), (7, 2902855783), (23, 883477847), (47, 432340223), (161, 126211121), (329, 61762889), (1081, 18797401), (7567, 2685343)]