20808821047

素因数分解:

$7^1\times {\mathrm{569}}^1\times {\mathrm{677}}^1\times {\mathrm{7717}}^1$

素因数の和:8970

約数の個数: 16

約数和(自身を含む): 23861586240

約数和(自身を除く): 3052765193

約数列:

[1, 7, 569, 677, 3983, 4739, 7717, 54019, 385213, 2696491, 4390973, 5224409, 30736811, 36570863, 2972688721, 20808821047]

約数ペア:

[(1, 20808821047), (7, 2972688721), (569, 36570863), (677, 30736811), (3983, 5224409), (4739, 4390973), (7717, 2696491), (54019, 385213)]