20126970045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{19739}}^1$

素因数の和:19856

約数の個数: 128

約数和(自身を含む): 44571340800

約数和(自身を除く): 24444370755

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 83, 91, 105, 117, 135, 189, 195, 249, 273, 315, 351, 415, 455, 581, 585, 747, 819, 945, 1079, 1245, 1365, 1743, 1755, 2241, 2457, 2905, 3237, 3735, 4095, 5229, 5395, 7553, 8715, 9711, 11205, 12285, 15687, 16185, 19739, 22659, 26145, 29133, 37765, 48555, 59217, 67977, 78435, 98695, 113295, 138173, 145665, 177651, 203931, 256607, 296085, 339885, 414519, 532953, 690865, 769821, 888255, 1019655, 1243557, 1283035, 1638337, 1796249, 2072595, 2309463, 2664765, 3730671, 3849105, 4915011, 5388747, 6217785, 6928389, 8191685, 8981245, 11468359, 11547315, 14745033, 16166241, 18653355, 21298381, 24575055, 26943735, 34405077, 34641945, 44235099, 48498723, 57341795, 63895143, 73725165, 80831205, 103215231, 106491905, 149088667, 172025385, 191685429, 221175495, 242493615, 309645693, 319475715, 447266001, 516076155, 575056287, 745443335, 958427145, 1341798003, 1548228465, 2236330005, 2875281435, 4025394009, 6708990015, 20126970045]

約数ペア:

[(1, 20126970045), (3, 6708990015), (5, 4025394009), (7, 2875281435), (9, 2236330005), (13, 1548228465), (15, 1341798003), (21, 958427145), (27, 745443335), (35, 575056287), (39, 516076155), (45, 447266001), (63, 319475715), (65, 309645693), (83, 242493615), (91, 221175495), (105, 191685429), (117, 172025385), (135, 149088667), (189, 106491905), (195, 103215231), (249, 80831205), (273, 73725165), (315, 63895143), (351, 57341795), (415, 48498723), (455, 44235099), (581, 34641945), (585, 34405077), (747, 26943735), (819, 24575055), (945, 21298381), (1079, 18653355), (1245, 16166241), (1365, 14745033), (1743, 11547315), (1755, 11468359), (2241, 8981245), (2457, 8191685), (2905, 6928389), (3237, 6217785), (3735, 5388747), (4095, 4915011), (5229, 3849105), (5395, 3730671), (7553, 2664765), (8715, 2309463), (9711, 2072595), (11205, 1796249), (12285, 1638337), (15687, 1283035), (16185, 1243557), (19739, 1019655), (22659, 888255), (26145, 769821), (29133, 690865), (37765, 532953), (48555, 414519), (59217, 339885), (67977, 296085), (78435, 256607), (98695, 203931), (113295, 177651), (138173, 145665)]