20309171288

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1\times {\mathrm{11863}}^1$

素因数の和:13504

約数の個数: 64

約数和(自身を含む): 45842496000

約数和(自身を除く): 25533324712

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1609, 3218, 6436, 11263, 11863, 12872, 22526, 23726, 30571, 45052, 47452, 61142, 83041, 90104, 94904, 122284, 166082, 213997, 225397, 244568, 332164, 427994, 450794, 664328, 855988, 901588, 1577779, 1711976, 1803176, 3155558, 6311116, 12622232, 19087567, 38175134, 76350268, 133612969, 152700536, 267225938, 362663773, 534451876, 725327546, 1068903752, 1450655092, 2538646411, 2901310184, 5077292822, 10154585644, 20309171288]

約数ペア:

[(1, 20309171288), (2, 10154585644), (4, 5077292822), (7, 2901310184), (8, 2538646411), (14, 1450655092), (19, 1068903752), (28, 725327546), (38, 534451876), (56, 362663773), (76, 267225938), (133, 152700536), (152, 133612969), (266, 76350268), (532, 38175134), (1064, 19087567), (1609, 12622232), (3218, 6311116), (6436, 3155558), (11263, 1803176), (11863, 1711976), (12872, 1577779), (22526, 901588), (23726, 855988), (30571, 664328), (45052, 450794), (47452, 427994), (61142, 332164), (83041, 244568), (90104, 225397), (94904, 213997), (122284, 166082)]