20687579715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 192

約数和(自身を含む): 40149914112

約数和(自身を除く): 19462334397

約数列:

[1, 3, 5, 11, 15, 19, 33, 41, 43, 55, 57, 95, 123, 129, 165, 197, 205, 209, 215, 285, 361, 451, 473, 591, 615, 627, 645, 779, 817, 985, 1045, 1083, 1353, 1419, 1763, 1805, 2167, 2255, 2337, 2365, 2451, 2955, 3135, 3743, 3895, 3971, 4085, 5289, 5415, 6501, 6765, 7095, 8077, 8471, 8569, 8815, 8987, 10835, 11229, 11685, 11913, 12255, 14801, 15523, 18715, 19393, 19855, 24231, 25413, 25707, 26445, 26961, 32505, 33497, 40385, 41173, 42355, 42845, 44403, 44935, 46569, 56145, 58179, 59565, 71117, 74005, 77615, 88847, 93181, 96965, 100491, 121155, 123519, 127065, 128535, 134805, 153463, 160949, 162811, 167485, 170753, 205865, 213351, 222015, 232845, 266541, 279543, 290895, 347311, 355585, 368467, 444235, 460389, 465905, 482847, 488433, 502455, 512259, 617595, 636443, 767315, 782287, 804745, 814055, 853765, 1041933, 1066755, 1105401, 1332705, 1397715, 1688093, 1736555, 1770439, 1842335, 1909329, 2301945, 2346861, 2414235, 2442165, 2561295, 2915797, 3058031, 3182215, 3820421, 3911435, 5064279, 5209665, 5311317, 5527005, 6598909, 7000873, 8440465, 8747391, 8852195, 9174093, 9546645, 11461263, 11734305, 14578985, 15290155, 19102105, 19796727, 21002619, 25321395, 26556585, 32073767, 32994545, 33638341, 35004365, 43736955, 45870465, 57306315, 72587999, 96221301, 98983635, 100915023, 105013095, 125379271, 160368835, 168191705, 217763997, 362939995, 376137813, 481106505, 504575115, 626896355, 1088819985, 1379171981, 1880689065, 4137515943, 6895859905, 20687579715]

約数ペア:

[(1, 20687579715), (3, 6895859905), (5, 4137515943), (11, 1880689065), (15, 1379171981), (19, 1088819985), (33, 626896355), (41, 504575115), (43, 481106505), (55, 376137813), (57, 362939995), (95, 217763997), (123, 168191705), (129, 160368835), (165, 125379271), (197, 105013095), (205, 100915023), (209, 98983635), (215, 96221301), (285, 72587999), (361, 57306315), (451, 45870465), (473, 43736955), (591, 35004365), (615, 33638341), (627, 32994545), (645, 32073767), (779, 26556585), (817, 25321395), (985, 21002619), (1045, 19796727), (1083, 19102105), (1353, 15290155), (1419, 14578985), (1763, 11734305), (1805, 11461263), (2167, 9546645), (2255, 9174093), (2337, 8852195), (2365, 8747391), (2451, 8440465), (2955, 7000873), (3135, 6598909), (3743, 5527005), (3895, 5311317), (3971, 5209665), (4085, 5064279), (5289, 3911435), (5415, 3820421), (6501, 3182215), (6765, 3058031), (7095, 2915797), (8077, 2561295), (8471, 2442165), (8569, 2414235), (8815, 2346861), (8987, 2301945), (10835, 1909329), (11229, 1842335), (11685, 1770439), (11913, 1736555), (12255, 1688093), (14801, 1397715), (15523, 1332705), (18715, 1105401), (19393, 1066755), (19855, 1041933), (24231, 853765), (25413, 814055), (25707, 804745), (26445, 782287), (26961, 767315), (32505, 636443), (33497, 617595), (40385, 512259), (41173, 502455), (42355, 488433), (42845, 482847), (44403, 465905), (44935, 460389), (46569, 444235), (56145, 368467), (58179, 355585), (59565, 347311), (71117, 290895), (74005, 279543), (77615, 266541), (88847, 232845), (93181, 222015), (96965, 213351), (100491, 205865), (121155, 170753), (123519, 167485), (127065, 162811), (128535, 160949), (134805, 153463)]