20145793486

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{123127}}^1$

素因数の和:123209

約数の個数: 64

約数和(自身を含む): 39716167680

約数和(自身を除く): 19570374194

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 58, 62, 91, 182, 203, 217, 377, 403, 406, 434, 754, 806, 899, 1798, 2639, 2821, 5278, 5642, 6293, 11687, 12586, 23374, 81809, 123127, 163618, 246254, 861889, 1600651, 1723778, 3201302, 3570683, 3816937, 7141366, 7633874, 11204557, 22409114, 24994781, 26718559, 46418879, 49620181, 49989562, 53437118, 92837758, 99240362, 110691173, 221382346, 324932153, 347341267, 649864306, 694682534, 774838211, 1438985249, 1549676422, 2877970498, 10072896743, 20145793486]

約数ペア:

[(1, 20145793486), (2, 10072896743), (7, 2877970498), (13, 1549676422), (14, 1438985249), (26, 774838211), (29, 694682534), (31, 649864306), (58, 347341267), (62, 324932153), (91, 221382346), (182, 110691173), (203, 99240362), (217, 92837758), (377, 53437118), (403, 49989562), (406, 49620181), (434, 46418879), (754, 26718559), (806, 24994781), (899, 22409114), (1798, 11204557), (2639, 7633874), (2821, 7141366), (5278, 3816937), (5642, 3570683), (6293, 3201302), (11687, 1723778), (12586, 1600651), (23374, 861889), (81809, 246254), (123127, 163618)]