20808632272

素因数分解:

$2^4\times {\mathrm{1759}}^1\times {\mathrm{739363}}^1$

素因数の和:741130

約数の個数: 20

約数和(自身を含む): 40339699840

約数和(自身を除く): 19531067568

約数列:

[1, 2, 4, 8, 16, 1759, 3518, 7036, 14072, 28144, 739363, 1478726, 2957452, 5914904, 11829808, 1300539517, 2601079034, 5202158068, 10404316136, 20808632272]

約数ペア:

[(1, 20808632272), (2, 10404316136), (4, 5202158068), (8, 2601079034), (16, 1300539517), (1759, 11829808), (3518, 5914904), (7036, 2957452), (14072, 1478726), (28144, 739363)]