20806616264

素因数分解:

$2^3\times 7^1\times {\mathrm{1747}}^1\times {\mathrm{212677}}^1$

素因数の和:214437

約数の個数: 32

約数和(自身を含む): 44611337280

約数和(自身を除く): 23804721016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1747, 3494, 6988, 12229, 13976, 24458, 48916, 97832, 212677, 425354, 850708, 1488739, 1701416, 2977478, 5954956, 11909912, 371546719, 743093438, 1486186876, 2600827033, 2972373752, 5201654066, 10403308132, 20806616264]

約数ペア:

[(1, 20806616264), (2, 10403308132), (4, 5201654066), (7, 2972373752), (8, 2600827033), (14, 1486186876), (28, 743093438), (56, 371546719), (1747, 11909912), (3494, 5954956), (6988, 2977478), (12229, 1701416), (13976, 1488739), (24458, 850708), (48916, 425354), (97832, 212677)]