20552756

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5519}}^1$

素因数の和:5556

約数の個数: 36

約数和(自身を含む): 44049600

約数和(自身を除く): 23496844

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5519, 11038, 22076, 38633, 77266, 104861, 154532, 209722, 270431, 419444, 540862, 734027, 1081724, 1468054, 2936108, 5138189, 10276378, 20552756]

約数ペア:

[(1, 20552756), (2, 10276378), (4, 5138189), (7, 2936108), (14, 1468054), (19, 1081724), (28, 734027), (38, 540862), (49, 419444), (76, 270431), (98, 209722), (133, 154532), (196, 104861), (266, 77266), (532, 38633), (931, 22076), (1862, 11038), (3724, 5519)]