20765984876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47981}}^1$

素因数の和:48075

約数の個数: 96

約数和(自身を含む): 47398538880

約数和(自身を除く): 26632554004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 41, 52, 58, 82, 91, 116, 164, 182, 203, 287, 364, 377, 406, 533, 574, 754, 812, 1066, 1148, 1189, 1508, 2132, 2378, 2639, 3731, 4756, 5278, 7462, 8323, 10556, 14924, 15457, 16646, 30914, 33292, 47981, 61828, 95962, 108199, 191924, 216398, 335867, 432796, 623753, 671734, 1247506, 1343468, 1391449, 1967221, 2495012, 2782898, 3934442, 4366271, 5565796, 7868884, 8732542, 9740143, 13770547, 17465084, 18088837, 19480286, 25573873, 27541094, 36177674, 38960572, 51147746, 55082188, 57049409, 72355348, 102295492, 114098818, 126621859, 179017111, 228197636, 253243718, 358034222, 399345863, 506487436, 716068444, 741642317, 798691726, 1483284634, 1597383452, 2966569268, 5191496219, 10382992438, 20765984876]

約数ペア:

[(1, 20765984876), (2, 10382992438), (4, 5191496219), (7, 2966569268), (13, 1597383452), (14, 1483284634), (26, 798691726), (28, 741642317), (29, 716068444), (41, 506487436), (52, 399345863), (58, 358034222), (82, 253243718), (91, 228197636), (116, 179017111), (164, 126621859), (182, 114098818), (203, 102295492), (287, 72355348), (364, 57049409), (377, 55082188), (406, 51147746), (533, 38960572), (574, 36177674), (754, 27541094), (812, 25573873), (1066, 19480286), (1148, 18088837), (1189, 17465084), (1508, 13770547), (2132, 9740143), (2378, 8732542), (2639, 7868884), (3731, 5565796), (4756, 4366271), (5278, 3934442), (7462, 2782898), (8323, 2495012), (10556, 1967221), (14924, 1391449), (15457, 1343468), (16646, 1247506), (30914, 671734), (33292, 623753), (47981, 432796), (61828, 335867), (95962, 216398), (108199, 191924)]