20129402881

素因数分解:

$7^1\times {\mathrm{431}}^1\times {\mathrm{2003}}^1\times {\mathrm{3331}}^1$

素因数の和:5772

約数の個数: 16

約数和(自身を含む): 23076845568

約数和(自身を除く): 2947442687

約数列:

[1, 7, 431, 2003, 3017, 3331, 14021, 23317, 863293, 1435661, 6043051, 6671993, 10049627, 46703951, 2875628983, 20129402881]

約数ペア:

[(1, 20129402881), (7, 2875628983), (431, 46703951), (2003, 10049627), (3017, 6671993), (3331, 6043051), (14021, 1435661), (23317, 863293)]