20179940774

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{787}}^1$

素因数の和:1162

約数の個数: 96

約数和(自身を含む): 38031275520

約数和(自身を除く): 17851334746

約数列:

[1, 2, 7, 14, 19, 38, 47, 49, 94, 98, 133, 266, 293, 329, 586, 658, 787, 893, 931, 1574, 1786, 1862, 2051, 2303, 4102, 4606, 5509, 5567, 6251, 11018, 11134, 12502, 13771, 14357, 14953, 27542, 28714, 29906, 36989, 38563, 38969, 43757, 73978, 77126, 77938, 87514, 96397, 104671, 192794, 209342, 230591, 258923, 261649, 272783, 461182, 517846, 523298, 545566, 674779, 702791, 732697, 1349558, 1405582, 1465394, 1614137, 1812461, 1831543, 3228274, 3624922, 3663086, 4381229, 4919537, 8762458, 9839074, 10837777, 11298959, 12820801, 21675554, 22597918, 25641602, 30668603, 34436759, 61337206, 68873518, 75864439, 151728878, 205917763, 214680221, 411835526, 429360442, 531051073, 1062102146, 1441424341, 2882848682, 10089970387, 20179940774]

約数ペア:

[(1, 20179940774), (2, 10089970387), (7, 2882848682), (14, 1441424341), (19, 1062102146), (38, 531051073), (47, 429360442), (49, 411835526), (94, 214680221), (98, 205917763), (133, 151728878), (266, 75864439), (293, 68873518), (329, 61337206), (586, 34436759), (658, 30668603), (787, 25641602), (893, 22597918), (931, 21675554), (1574, 12820801), (1786, 11298959), (1862, 10837777), (2051, 9839074), (2303, 8762458), (4102, 4919537), (4606, 4381229), (5509, 3663086), (5567, 3624922), (6251, 3228274), (11018, 1831543), (11134, 1812461), (12502, 1614137), (13771, 1465394), (14357, 1405582), (14953, 1349558), (27542, 732697), (28714, 702791), (29906, 674779), (36989, 545566), (38563, 523298), (38969, 517846), (43757, 461182), (73978, 272783), (77126, 261649), (77938, 258923), (87514, 230591), (96397, 209342), (104671, 192794)]