20482000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 240

約数和(自身を含む): 66156480

約数和(自身を除く): 45674480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 25, 28, 35, 38, 40, 44, 49, 50, 55, 56, 70, 76, 77, 80, 88, 95, 98, 100, 110, 112, 125, 133, 140, 152, 154, 175, 176, 190, 196, 200, 209, 220, 245, 250, 266, 275, 280, 304, 308, 350, 380, 385, 392, 400, 418, 440, 475, 490, 500, 532, 539, 550, 560, 616, 665, 700, 760, 770, 784, 836, 875, 880, 931, 950, 980, 1000, 1045, 1064, 1078, 1100, 1225, 1232, 1330, 1375, 1400, 1463, 1520, 1540, 1672, 1750, 1862, 1900, 1925, 1960, 2000, 2090, 2128, 2156, 2200, 2375, 2450, 2660, 2695, 2750, 2800, 2926, 3080, 3325, 3344, 3500, 3724, 3800, 3850, 3920, 4180, 4312, 4400, 4655, 4750, 4900, 5225, 5320, 5390, 5500, 5852, 6125, 6160, 6650, 7000, 7315, 7448, 7600, 7700, 8360, 8624, 9310, 9500, 9625, 9800, 10241, 10450, 10640, 10780, 11000, 11704, 12250, 13300, 13475, 14000, 14630, 14896, 15400, 16625, 16720, 18620, 19000, 19250, 19600, 20482, 20900, 21560, 22000, 23275, 23408, 24500, 26125, 26600, 26950, 29260, 30800, 33250, 36575, 37240, 38000, 38500, 40964, 41800, 43120, 46550, 49000, 51205, 52250, 53200, 53900, 58520, 66500, 67375, 73150, 74480, 77000, 81928, 83600, 93100, 98000, 102410, 104500, 107800, 116375, 117040, 133000, 134750, 146300, 154000, 163856, 182875, 186200, 204820, 209000, 215600, 232750, 256025, 266000, 269500, 292600, 365750, 372400, 409640, 418000, 465500, 512050, 539000, 585200, 731500, 819280, 931000, 1024100, 1078000, 1280125, 1463000, 1862000, 2048200, 2560250, 2926000, 4096400, 5120500, 10241000, 20482000]

約数ペア:

[(1, 20482000), (2, 10241000), (4, 5120500), (5, 4096400), (7, 2926000), (8, 2560250), (10, 2048200), (11, 1862000), (14, 1463000), (16, 1280125), (19, 1078000), (20, 1024100), (22, 931000), (25, 819280), (28, 731500), (35, 585200), (38, 539000), (40, 512050), (44, 465500), (49, 418000), (50, 409640), (55, 372400), (56, 365750), (70, 292600), (76, 269500), (77, 266000), (80, 256025), (88, 232750), (95, 215600), (98, 209000), (100, 204820), (110, 186200), (112, 182875), (125, 163856), (133, 154000), (140, 146300), (152, 134750), (154, 133000), (175, 117040), (176, 116375), (190, 107800), (196, 104500), (200, 102410), (209, 98000), (220, 93100), (245, 83600), (250, 81928), (266, 77000), (275, 74480), (280, 73150), (304, 67375), (308, 66500), (350, 58520), (380, 53900), (385, 53200), (392, 52250), (400, 51205), (418, 49000), (440, 46550), (475, 43120), (490, 41800), (500, 40964), (532, 38500), (539, 38000), (550, 37240), (560, 36575), (616, 33250), (665, 30800), (700, 29260), (760, 26950), (770, 26600), (784, 26125), (836, 24500), (875, 23408), (880, 23275), (931, 22000), (950, 21560), (980, 20900), (1000, 20482), (1045, 19600), (1064, 19250), (1078, 19000), (1100, 18620), (1225, 16720), (1232, 16625), (1330, 15400), (1375, 14896), (1400, 14630), (1463, 14000), (1520, 13475), (1540, 13300), (1672, 12250), (1750, 11704), (1862, 11000), (1900, 10780), (1925, 10640), (1960, 10450), (2000, 10241), (2090, 9800), (2128, 9625), (2156, 9500), (2200, 9310), (2375, 8624), (2450, 8360), (2660, 7700), (2695, 7600), (2750, 7448), (2800, 7315), (2926, 7000), (3080, 6650), (3325, 6160), (3344, 6125), (3500, 5852), (3724, 5500), (3800, 5390), (3850, 5320), (3920, 5225), (4180, 4900), (4312, 4750), (4400, 4655)]