20800147788

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6151}}^1$

素因数の和:6255

約数の個数: 216

約数和(自身を含む): 64331414784

約数和(自身を除く): 43531266996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 71, 81, 84, 98, 108, 126, 142, 147, 162, 189, 196, 213, 243, 252, 284, 294, 324, 378, 426, 441, 486, 497, 567, 588, 639, 756, 852, 882, 972, 994, 1134, 1278, 1323, 1491, 1701, 1764, 1917, 1988, 2268, 2556, 2646, 2982, 3402, 3479, 3834, 3969, 4473, 5292, 5751, 5964, 6151, 6804, 6958, 7668, 7938, 8946, 10437, 11502, 11907, 12302, 13419, 13916, 15876, 17253, 17892, 18453, 20874, 23004, 23814, 24604, 26838, 31311, 34506, 36906, 40257, 41748, 43057, 47628, 53676, 55359, 62622, 69012, 73812, 80514, 86114, 93933, 110718, 120771, 125244, 129171, 161028, 166077, 172228, 187866, 221436, 241542, 258342, 281799, 301399, 332154, 375732, 387513, 436721, 483084, 498231, 516684, 563598, 602798, 664308, 775026, 845397, 873442, 904197, 996462, 1127196, 1162539, 1205596, 1310163, 1494693, 1550052, 1690794, 1746884, 1808394, 1992924, 2325078, 2620326, 2712591, 2989386, 3057047, 3381588, 3487617, 3616788, 3930489, 4650156, 5240652, 5425182, 5978772, 6114094, 6975234, 7860978, 8137773, 9171141, 10462851, 10850364, 11791467, 12228188, 13950468, 15721956, 16275546, 18342282, 20925702, 21399329, 23582934, 24413319, 27513423, 32551092, 35374401, 36684564, 41851404, 42798658, 47165868, 48826638, 55026846, 64197987, 70748802, 73239957, 82540269, 85597316, 97653276, 106123203, 110053692, 128395974, 141497604, 146479914, 165080538, 192593961, 212246406, 247620807, 256791948, 292959828, 330161076, 385187922, 424492812, 495241614, 577781883, 742862421, 770375844, 990483228, 1155563766, 1485724842, 1733345649, 2311127532, 2971449684, 3466691298, 5200036947, 6933382596, 10400073894, 20800147788]

約数ペア:

[(1, 20800147788), (2, 10400073894), (3, 6933382596), (4, 5200036947), (6, 3466691298), (7, 2971449684), (9, 2311127532), (12, 1733345649), (14, 1485724842), (18, 1155563766), (21, 990483228), (27, 770375844), (28, 742862421), (36, 577781883), (42, 495241614), (49, 424492812), (54, 385187922), (63, 330161076), (71, 292959828), (81, 256791948), (84, 247620807), (98, 212246406), (108, 192593961), (126, 165080538), (142, 146479914), (147, 141497604), (162, 128395974), (189, 110053692), (196, 106123203), (213, 97653276), (243, 85597316), (252, 82540269), (284, 73239957), (294, 70748802), (324, 64197987), (378, 55026846), (426, 48826638), (441, 47165868), (486, 42798658), (497, 41851404), (567, 36684564), (588, 35374401), (639, 32551092), (756, 27513423), (852, 24413319), (882, 23582934), (972, 21399329), (994, 20925702), (1134, 18342282), (1278, 16275546), (1323, 15721956), (1491, 13950468), (1701, 12228188), (1764, 11791467), (1917, 10850364), (1988, 10462851), (2268, 9171141), (2556, 8137773), (2646, 7860978), (2982, 6975234), (3402, 6114094), (3479, 5978772), (3834, 5425182), (3969, 5240652), (4473, 4650156), (5292, 3930489), (5751, 3616788), (5964, 3487617), (6151, 3381588), (6804, 3057047), (6958, 2989386), (7668, 2712591), (7938, 2620326), (8946, 2325078), (10437, 1992924), (11502, 1808394), (11907, 1746884), (12302, 1690794), (13419, 1550052), (13916, 1494693), (15876, 1310163), (17253, 1205596), (17892, 1162539), (18453, 1127196), (20874, 996462), (23004, 904197), (23814, 873442), (24604, 845397), (26838, 775026), (31311, 664308), (34506, 602798), (36906, 563598), (40257, 516684), (41748, 498231), (43057, 483084), (47628, 436721), (53676, 387513), (55359, 375732), (62622, 332154), (69012, 301399), (73812, 281799), (80514, 258342), (86114, 241542), (93933, 221436), (110718, 187866), (120771, 172228), (125244, 166077), (129171, 161028)]