20512459845

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3037}}^1$

素因数の和:3186

約数の個数: 112

約数和(自身を含む): 39447943920

約数和(自身を除く): 18935484075

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 109, 135, 153, 243, 255, 327, 405, 459, 545, 729, 765, 981, 1215, 1377, 1635, 1853, 2295, 2943, 3037, 3645, 4131, 4905, 5559, 6885, 8829, 9111, 9265, 12393, 14715, 15185, 16677, 20655, 26487, 27333, 27795, 44145, 45555, 50031, 51629, 61965, 79461, 81999, 83385, 132435, 136665, 150093, 154887, 245997, 250155, 258145, 331033, 397305, 409995, 450279, 464661, 737991, 750465, 774435, 993099, 1229985, 1350837, 1393983, 1655165, 2213973, 2251395, 2323305, 2979297, 3689955, 4181949, 4965495, 5627561, 6754185, 6969915, 8937891, 11069865, 12545847, 14896485, 16882683, 20909745, 26813673, 28137805, 37637541, 44689455, 50648049, 62729235, 80441019, 84413415, 134068365, 151944147, 188187705, 241323057, 253240245, 402205095, 455832441, 759720735, 1206615285, 1367497323, 2279162205, 4102491969, 6837486615, 20512459845]

約数ペア:

[(1, 20512459845), (3, 6837486615), (5, 4102491969), (9, 2279162205), (15, 1367497323), (17, 1206615285), (27, 759720735), (45, 455832441), (51, 402205095), (81, 253240245), (85, 241323057), (109, 188187705), (135, 151944147), (153, 134068365), (243, 84413415), (255, 80441019), (327, 62729235), (405, 50648049), (459, 44689455), (545, 37637541), (729, 28137805), (765, 26813673), (981, 20909745), (1215, 16882683), (1377, 14896485), (1635, 12545847), (1853, 11069865), (2295, 8937891), (2943, 6969915), (3037, 6754185), (3645, 5627561), (4131, 4965495), (4905, 4181949), (5559, 3689955), (6885, 2979297), (8829, 2323305), (9111, 2251395), (9265, 2213973), (12393, 1655165), (14715, 1393983), (15185, 1350837), (16677, 1229985), (20655, 993099), (26487, 774435), (27333, 750465), (27795, 737991), (44145, 464661), (45555, 450279), (50031, 409995), (51629, 397305), (61965, 331033), (79461, 258145), (81999, 250155), (83385, 245997), (132435, 154887), (136665, 150093)]