20170096821

素因数分解:

$3^4\times 7^3\times {\mathrm{41}}^1\times {\mathrm{17707}}^1$

素因数の和:17781

約数の個数: 80

約数和(自身を含む): 35996822400

約数和(自身を除く): 15826725579

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 189, 287, 343, 369, 441, 567, 861, 1029, 1107, 1323, 2009, 2583, 3087, 3321, 3969, 6027, 7749, 9261, 14063, 17707, 18081, 23247, 27783, 42189, 53121, 54243, 123949, 126567, 159363, 162729, 371847, 379701, 478089, 725987, 867643, 1115541, 1139103, 1434267, 2177961, 2602929, 3346623, 5081909, 6073501, 6533883, 7808787, 10039869, 15245727, 18220503, 19601649, 23426361, 35573363, 45737181, 54661509, 58804947, 70279083, 106720089, 137211543, 163984527, 249013541, 320160267, 411634629, 491953581, 747040623, 960480801, 2241121869, 2881442403, 6723365607, 20170096821]

約数ペア:

[(1, 20170096821), (3, 6723365607), (7, 2881442403), (9, 2241121869), (21, 960480801), (27, 747040623), (41, 491953581), (49, 411634629), (63, 320160267), (81, 249013541), (123, 163984527), (147, 137211543), (189, 106720089), (287, 70279083), (343, 58804947), (369, 54661509), (441, 45737181), (567, 35573363), (861, 23426361), (1029, 19601649), (1107, 18220503), (1323, 15245727), (2009, 10039869), (2583, 7808787), (3087, 6533883), (3321, 6073501), (3969, 5081909), (6027, 3346623), (7749, 2602929), (9261, 2177961), (14063, 1434267), (17707, 1139103), (18081, 1115541), (23247, 867643), (27783, 725987), (42189, 478089), (53121, 379701), (54243, 371847), (123949, 162729), (126567, 159363)]