20797002247

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1\times {\mathrm{3691}}^1$

素因数の和:4243

約数の個数: 32

約数和(自身を含む): 25178849280

約数和(自身を除く): 4381847033

約数列:

[1, 7, 23, 79, 161, 443, 553, 1817, 3101, 3691, 10189, 12719, 25837, 34997, 71323, 84893, 244979, 291589, 594251, 804931, 1635113, 2041123, 5634517, 6706547, 11445791, 37607599, 46945829, 129173927, 263253193, 904217489, 2971000321, 20797002247]

約数ペア:

[(1, 20797002247), (7, 2971000321), (23, 904217489), (79, 263253193), (161, 129173927), (443, 46945829), (553, 37607599), (1817, 11445791), (3101, 6706547), (3691, 5634517), (10189, 2041123), (12719, 1635113), (25837, 804931), (34997, 594251), (71323, 291589), (84893, 244979)]