20214395520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{87011}}^1$

素因数の和:87055

約数の個数: 192

約数和(自身を含む): 70824287520

約数和(自身を除く): 50609892000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 384, 440, 480, 484, 528, 605, 640, 660, 704, 726, 880, 960, 968, 1056, 1210, 1320, 1408, 1452, 1760, 1815, 1920, 1936, 2112, 2420, 2640, 2904, 3520, 3630, 3872, 4224, 4840, 5280, 5808, 7040, 7260, 7744, 9680, 10560, 11616, 14520, 15488, 19360, 21120, 23232, 29040, 38720, 46464, 58080, 77440, 87011, 116160, 174022, 232320, 261033, 348044, 435055, 522066, 696088, 870110, 957121, 1044132, 1305165, 1392176, 1740220, 1914242, 2088264, 2610330, 2784352, 2871363, 3480440, 3828484, 4176528, 4785605, 5220660, 5568704, 5742726, 6960880, 7656968, 8353056, 9571210, 10441320, 10528331, 11137408, 11485452, 13921760, 14356815, 15313936, 16706112, 19142420, 20882640, 21056662, 22970904, 27843520, 28713630, 30627872, 31584993, 33412224, 38284840, 41765280, 42113324, 45941808, 52641655, 55687040, 57427260, 61255744, 63169986, 76569680, 83530560, 84226648, 91883616, 105283310, 114854520, 122511488, 126339972, 153139360, 157924965, 167061120, 168453296, 183767232, 210566620, 229709040, 252679944, 306278720, 315849930, 336906592, 367534464, 421133240, 459418080, 505359888, 612557440, 631699860, 673813184, 842266480, 918836160, 1010719776, 1263399720, 1347626368, 1684532960, 1837672320, 2021439552, 2526799440, 3369065920, 4042879104, 5053598880, 6738131840, 10107197760, 20214395520]

約数ペア:

[(1, 20214395520), (2, 10107197760), (3, 6738131840), (4, 5053598880), (5, 4042879104), (6, 3369065920), (8, 2526799440), (10, 2021439552), (11, 1837672320), (12, 1684532960), (15, 1347626368), (16, 1263399720), (20, 1010719776), (22, 918836160), (24, 842266480), (30, 673813184), (32, 631699860), (33, 612557440), (40, 505359888), (44, 459418080), (48, 421133240), (55, 367534464), (60, 336906592), (64, 315849930), (66, 306278720), (80, 252679944), (88, 229709040), (96, 210566620), (110, 183767232), (120, 168453296), (121, 167061120), (128, 157924965), (132, 153139360), (160, 126339972), (165, 122511488), (176, 114854520), (192, 105283310), (220, 91883616), (240, 84226648), (242, 83530560), (264, 76569680), (320, 63169986), (330, 61255744), (352, 57427260), (363, 55687040), (384, 52641655), (440, 45941808), (480, 42113324), (484, 41765280), (528, 38284840), (605, 33412224), (640, 31584993), (660, 30627872), (704, 28713630), (726, 27843520), (880, 22970904), (960, 21056662), (968, 20882640), (1056, 19142420), (1210, 16706112), (1320, 15313936), (1408, 14356815), (1452, 13921760), (1760, 11485452), (1815, 11137408), (1920, 10528331), (1936, 10441320), (2112, 9571210), (2420, 8353056), (2640, 7656968), (2904, 6960880), (3520, 5742726), (3630, 5568704), (3872, 5220660), (4224, 4785605), (4840, 4176528), (5280, 3828484), (5808, 3480440), (7040, 2871363), (7260, 2784352), (7744, 2610330), (9680, 2088264), (10560, 1914242), (11616, 1740220), (14520, 1392176), (15488, 1305165), (19360, 1044132), (21120, 957121), (23232, 870110), (29040, 696088), (38720, 522066), (46464, 435055), (58080, 348044), (77440, 261033), (87011, 232320), (116160, 174022)]