20712888

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 71136000

約数和(自身を除く): 50423112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 49, 54, 56, 57, 63, 72, 76, 84, 98, 103, 108, 114, 126, 133, 147, 152, 168, 171, 189, 196, 206, 216, 228, 252, 266, 294, 309, 342, 378, 392, 399, 412, 441, 456, 504, 513, 532, 588, 618, 684, 721, 756, 798, 824, 882, 927, 931, 1026, 1064, 1176, 1197, 1236, 1323, 1368, 1442, 1512, 1596, 1764, 1854, 1862, 1957, 2052, 2163, 2394, 2472, 2646, 2781, 2793, 2884, 3192, 3528, 3591, 3708, 3724, 3914, 4104, 4326, 4788, 5047, 5292, 5562, 5586, 5768, 5871, 6489, 7182, 7416, 7448, 7828, 8379, 8652, 9576, 10094, 10584, 11124, 11172, 11742, 12978, 13699, 14364, 15141, 15656, 16758, 17304, 17613, 19467, 20188, 22248, 22344, 23484, 25137, 25956, 27398, 28728, 30282, 33516, 35226, 38934, 40376, 41097, 45423, 46968, 50274, 51912, 52839, 54796, 60564, 67032, 70452, 77868, 82194, 90846, 95893, 100548, 105678, 109592, 121128, 123291, 136269, 140904, 155736, 164388, 181692, 191786, 201096, 211356, 246582, 272538, 287679, 328776, 363384, 369873, 383572, 422712, 493164, 545076, 575358, 739746, 767144, 863037, 986328, 1090152, 1150716, 1479492, 1726074, 2301432, 2589111, 2958984, 3452148, 5178222, 6904296, 10356444, 20712888]

約数ペア:

[(1, 20712888), (2, 10356444), (3, 6904296), (4, 5178222), (6, 3452148), (7, 2958984), (8, 2589111), (9, 2301432), (12, 1726074), (14, 1479492), (18, 1150716), (19, 1090152), (21, 986328), (24, 863037), (27, 767144), (28, 739746), (36, 575358), (38, 545076), (42, 493164), (49, 422712), (54, 383572), (56, 369873), (57, 363384), (63, 328776), (72, 287679), (76, 272538), (84, 246582), (98, 211356), (103, 201096), (108, 191786), (114, 181692), (126, 164388), (133, 155736), (147, 140904), (152, 136269), (168, 123291), (171, 121128), (189, 109592), (196, 105678), (206, 100548), (216, 95893), (228, 90846), (252, 82194), (266, 77868), (294, 70452), (309, 67032), (342, 60564), (378, 54796), (392, 52839), (399, 51912), (412, 50274), (441, 46968), (456, 45423), (504, 41097), (513, 40376), (532, 38934), (588, 35226), (618, 33516), (684, 30282), (721, 28728), (756, 27398), (798, 25956), (824, 25137), (882, 23484), (927, 22344), (931, 22248), (1026, 20188), (1064, 19467), (1176, 17613), (1197, 17304), (1236, 16758), (1323, 15656), (1368, 15141), (1442, 14364), (1512, 13699), (1596, 12978), (1764, 11742), (1854, 11172), (1862, 11124), (1957, 10584), (2052, 10094), (2163, 9576), (2394, 8652), (2472, 8379), (2646, 7828), (2781, 7448), (2793, 7416), (2884, 7182), (3192, 6489), (3528, 5871), (3591, 5768), (3708, 5586), (3724, 5562), (3914, 5292), (4104, 5047), (4326, 4788)]