20944000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 256

約数和(自身を含む): 68739840

約数和(自身を除く): 47795840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 25, 28, 32, 34, 35, 40, 44, 50, 55, 56, 64, 68, 70, 77, 80, 85, 88, 100, 110, 112, 119, 125, 128, 136, 140, 154, 160, 170, 175, 176, 187, 200, 220, 224, 238, 250, 272, 275, 280, 308, 320, 340, 350, 352, 374, 385, 400, 425, 440, 448, 476, 500, 544, 550, 560, 595, 616, 640, 680, 700, 704, 748, 770, 800, 850, 875, 880, 896, 935, 952, 1000, 1088, 1100, 1120, 1190, 1232, 1309, 1360, 1375, 1400, 1408, 1496, 1540, 1600, 1700, 1750, 1760, 1870, 1904, 1925, 2000, 2125, 2176, 2200, 2240, 2380, 2464, 2618, 2720, 2750, 2800, 2975, 2992, 3080, 3200, 3400, 3500, 3520, 3740, 3808, 3850, 4000, 4250, 4400, 4480, 4675, 4760, 4928, 5236, 5440, 5500, 5600, 5950, 5984, 6160, 6545, 6800, 7000, 7040, 7480, 7616, 7700, 8000, 8500, 8800, 9350, 9520, 9625, 9856, 10472, 10880, 11000, 11200, 11900, 11968, 12320, 13090, 13600, 14000, 14875, 14960, 15232, 15400, 16000, 17000, 17600, 18700, 19040, 19250, 20944, 22000, 22400, 23375, 23800, 23936, 24640, 26180, 27200, 28000, 29750, 29920, 30800, 32725, 34000, 35200, 37400, 38080, 38500, 41888, 44000, 46750, 47600, 49280, 52360, 54400, 56000, 59500, 59840, 61600, 65450, 68000, 74800, 76160, 77000, 83776, 88000, 93500, 95200, 104720, 112000, 119000, 119680, 123200, 130900, 136000, 149600, 154000, 163625, 167552, 176000, 187000, 190400, 209440, 238000, 246400, 261800, 272000, 299200, 308000, 327250, 374000, 380800, 418880, 476000, 523600, 598400, 616000, 654500, 748000, 837760, 952000, 1047200, 1232000, 1309000, 1496000, 1904000, 2094400, 2618000, 2992000, 4188800, 5236000, 10472000, 20944000]

約数ペア:

[(1, 20944000), (2, 10472000), (4, 5236000), (5, 4188800), (7, 2992000), (8, 2618000), (10, 2094400), (11, 1904000), (14, 1496000), (16, 1309000), (17, 1232000), (20, 1047200), (22, 952000), (25, 837760), (28, 748000), (32, 654500), (34, 616000), (35, 598400), (40, 523600), (44, 476000), (50, 418880), (55, 380800), (56, 374000), (64, 327250), (68, 308000), (70, 299200), (77, 272000), (80, 261800), (85, 246400), (88, 238000), (100, 209440), (110, 190400), (112, 187000), (119, 176000), (125, 167552), (128, 163625), (136, 154000), (140, 149600), (154, 136000), (160, 130900), (170, 123200), (175, 119680), (176, 119000), (187, 112000), (200, 104720), (220, 95200), (224, 93500), (238, 88000), (250, 83776), (272, 77000), (275, 76160), (280, 74800), (308, 68000), (320, 65450), (340, 61600), (350, 59840), (352, 59500), (374, 56000), (385, 54400), (400, 52360), (425, 49280), (440, 47600), (448, 46750), (476, 44000), (500, 41888), (544, 38500), (550, 38080), (560, 37400), (595, 35200), (616, 34000), (640, 32725), (680, 30800), (700, 29920), (704, 29750), (748, 28000), (770, 27200), (800, 26180), (850, 24640), (875, 23936), (880, 23800), (896, 23375), (935, 22400), (952, 22000), (1000, 20944), (1088, 19250), (1100, 19040), (1120, 18700), (1190, 17600), (1232, 17000), (1309, 16000), (1360, 15400), (1375, 15232), (1400, 14960), (1408, 14875), (1496, 14000), (1540, 13600), (1600, 13090), (1700, 12320), (1750, 11968), (1760, 11900), (1870, 11200), (1904, 11000), (1925, 10880), (2000, 10472), (2125, 9856), (2176, 9625), (2200, 9520), (2240, 9350), (2380, 8800), (2464, 8500), (2618, 8000), (2720, 7700), (2750, 7616), (2800, 7480), (2975, 7040), (2992, 7000), (3080, 6800), (3200, 6545), (3400, 6160), (3500, 5984), (3520, 5950), (3740, 5600), (3808, 5500), (3850, 5440), (4000, 5236), (4250, 4928), (4400, 4760), (4480, 4675)]