20864767

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8741}}^1$

素因数の和:8790

約数の個数: 16

約数和(自身を含む): 26855424

約数和(自身を除く): 5990657

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8741, 61187, 96151, 270971, 673057, 1896797, 2980681, 20864767]

約数ペア:

[(1, 20864767), (7, 2980681), (11, 1896797), (31, 673057), (77, 270971), (217, 96151), (341, 61187), (2387, 8741)]