20970293883

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{172259}}^1$

素因数の和:172328

約数の個数: 64

約数和(自身を含む): 38101155840

約数和(自身を除く): 17130861957

約数列:

[1, 3, 7, 11, 17, 21, 31, 33, 51, 77, 93, 119, 187, 217, 231, 341, 357, 527, 561, 651, 1023, 1309, 1581, 2387, 3689, 3927, 5797, 7161, 11067, 17391, 40579, 121737, 172259, 516777, 1205813, 1894849, 2928403, 3617439, 5340029, 5684547, 8785209, 13263943, 16020087, 20498821, 32212433, 37380203, 39791829, 58740319, 61496463, 90780493, 96637299, 112140609, 176220957, 225487031, 272341479, 411182233, 635463451, 676461093, 998585423, 1233546699, 1906390353, 2995756269, 6990097961, 20970293883]

約数ペア:

[(1, 20970293883), (3, 6990097961), (7, 2995756269), (11, 1906390353), (17, 1233546699), (21, 998585423), (31, 676461093), (33, 635463451), (51, 411182233), (77, 272341479), (93, 225487031), (119, 176220957), (187, 112140609), (217, 96637299), (231, 90780493), (341, 61496463), (357, 58740319), (527, 39791829), (561, 37380203), (651, 32212433), (1023, 20498821), (1309, 16020087), (1581, 13263943), (2387, 8785209), (3689, 5684547), (3927, 5340029), (5797, 3617439), (7161, 2928403), (11067, 1894849), (17391, 1205813), (40579, 516777), (121737, 172259)]