20114640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 240

約数和(自身を含む): 83411328

約数和(自身を除く): 63296688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 307, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 614, 624, 630, 720, 728, 780, 819, 840, 910, 921, 936, 1008, 1040, 1092, 1170, 1228, 1260, 1365, 1456, 1535, 1560, 1638, 1680, 1820, 1842, 1872, 2149, 2184, 2340, 2456, 2520, 2730, 2763, 3070, 3120, 3276, 3640, 3684, 3991, 4095, 4298, 4368, 4605, 4680, 4912, 5040, 5460, 5526, 6140, 6447, 6552, 7280, 7368, 7982, 8190, 8596, 9210, 9360, 10745, 10920, 11052, 11973, 12280, 12894, 13104, 13815, 14736, 15964, 16380, 17192, 18420, 19341, 19955, 21490, 21840, 22104, 23946, 24560, 25788, 27630, 27937, 31928, 32235, 32760, 34384, 35919, 36840, 38682, 39910, 42980, 44208, 47892, 51576, 55260, 55874, 59865, 63856, 64470, 65520, 71838, 73680, 77364, 79820, 83811, 85960, 95784, 96705, 103152, 110520, 111748, 119730, 128940, 139685, 143676, 154728, 159640, 167622, 171920, 179595, 191568, 193410, 221040, 223496, 239460, 251433, 257880, 279370, 287352, 309456, 319280, 335244, 359190, 386820, 419055, 446992, 478920, 502866, 515760, 558740, 574704, 670488, 718380, 773640, 838110, 957840, 1005732, 1117480, 1257165, 1340976, 1436760, 1547280, 1676220, 2011464, 2234960, 2514330, 2873520, 3352440, 4022928, 5028660, 6704880, 10057320, 20114640]

約数ペア:

[(1, 20114640), (2, 10057320), (3, 6704880), (4, 5028660), (5, 4022928), (6, 3352440), (7, 2873520), (8, 2514330), (9, 2234960), (10, 2011464), (12, 1676220), (13, 1547280), (14, 1436760), (15, 1340976), (16, 1257165), (18, 1117480), (20, 1005732), (21, 957840), (24, 838110), (26, 773640), (28, 718380), (30, 670488), (35, 574704), (36, 558740), (39, 515760), (40, 502866), (42, 478920), (45, 446992), (48, 419055), (52, 386820), (56, 359190), (60, 335244), (63, 319280), (65, 309456), (70, 287352), (72, 279370), (78, 257880), (80, 251433), (84, 239460), (90, 223496), (91, 221040), (104, 193410), (105, 191568), (112, 179595), (117, 171920), (120, 167622), (126, 159640), (130, 154728), (140, 143676), (144, 139685), (156, 128940), (168, 119730), (180, 111748), (182, 110520), (195, 103152), (208, 96705), (210, 95784), (234, 85960), (240, 83811), (252, 79820), (260, 77364), (273, 73680), (280, 71838), (307, 65520), (312, 64470), (315, 63856), (336, 59865), (360, 55874), (364, 55260), (390, 51576), (420, 47892), (455, 44208), (468, 42980), (504, 39910), (520, 38682), (546, 36840), (560, 35919), (585, 34384), (614, 32760), (624, 32235), (630, 31928), (720, 27937), (728, 27630), (780, 25788), (819, 24560), (840, 23946), (910, 22104), (921, 21840), (936, 21490), (1008, 19955), (1040, 19341), (1092, 18420), (1170, 17192), (1228, 16380), (1260, 15964), (1365, 14736), (1456, 13815), (1535, 13104), (1560, 12894), (1638, 12280), (1680, 11973), (1820, 11052), (1842, 10920), (1872, 10745), (2149, 9360), (2184, 9210), (2340, 8596), (2456, 8190), (2520, 7982), (2730, 7368), (2763, 7280), (3070, 6552), (3120, 6447), (3276, 6140), (3640, 5526), (3684, 5460), (3991, 5040), (4095, 4912), (4298, 4680), (4368, 4605)]