20757000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 256

約数和(自身を含む): 76826880

約数和(自身を除く): 56069880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 25, 30, 33, 34, 37, 40, 44, 50, 51, 55, 60, 66, 68, 74, 75, 85, 88, 100, 102, 110, 111, 120, 125, 132, 136, 148, 150, 165, 170, 185, 187, 200, 204, 220, 222, 250, 255, 264, 275, 296, 300, 330, 340, 370, 374, 375, 407, 408, 425, 440, 444, 500, 510, 550, 555, 561, 600, 629, 660, 680, 740, 748, 750, 814, 825, 850, 888, 925, 935, 1000, 1020, 1100, 1110, 1122, 1221, 1258, 1275, 1320, 1375, 1480, 1496, 1500, 1628, 1650, 1700, 1850, 1870, 1887, 2035, 2040, 2125, 2200, 2220, 2244, 2442, 2516, 2550, 2750, 2775, 2805, 3000, 3145, 3256, 3300, 3400, 3700, 3740, 3774, 4070, 4125, 4250, 4440, 4488, 4625, 4675, 4884, 5032, 5100, 5500, 5550, 5610, 6105, 6290, 6375, 6600, 6919, 7400, 7480, 7548, 8140, 8250, 8500, 9250, 9350, 9435, 9768, 10175, 10200, 11000, 11100, 11220, 12210, 12580, 12750, 13838, 13875, 14025, 15096, 15725, 16280, 16500, 17000, 18500, 18700, 18870, 20350, 20757, 22200, 22440, 23375, 24420, 25160, 25500, 27676, 27750, 28050, 30525, 31450, 33000, 34595, 37000, 37400, 37740, 40700, 41514, 46750, 47175, 48840, 50875, 51000, 55352, 55500, 56100, 61050, 62900, 69190, 70125, 75480, 78625, 81400, 83028, 93500, 94350, 101750, 103785, 111000, 112200, 122100, 125800, 138380, 140250, 152625, 157250, 166056, 172975, 187000, 188700, 203500, 207570, 235875, 244200, 276760, 280500, 305250, 314500, 345950, 377400, 407000, 415140, 471750, 518925, 561000, 610500, 629000, 691900, 830280, 864875, 943500, 1037850, 1221000, 1383800, 1729750, 1887000, 2075700, 2594625, 3459500, 4151400, 5189250, 6919000, 10378500, 20757000]

約数ペア:

[(1, 20757000), (2, 10378500), (3, 6919000), (4, 5189250), (5, 4151400), (6, 3459500), (8, 2594625), (10, 2075700), (11, 1887000), (12, 1729750), (15, 1383800), (17, 1221000), (20, 1037850), (22, 943500), (24, 864875), (25, 830280), (30, 691900), (33, 629000), (34, 610500), (37, 561000), (40, 518925), (44, 471750), (50, 415140), (51, 407000), (55, 377400), (60, 345950), (66, 314500), (68, 305250), (74, 280500), (75, 276760), (85, 244200), (88, 235875), (100, 207570), (102, 203500), (110, 188700), (111, 187000), (120, 172975), (125, 166056), (132, 157250), (136, 152625), (148, 140250), (150, 138380), (165, 125800), (170, 122100), (185, 112200), (187, 111000), (200, 103785), (204, 101750), (220, 94350), (222, 93500), (250, 83028), (255, 81400), (264, 78625), (275, 75480), (296, 70125), (300, 69190), (330, 62900), (340, 61050), (370, 56100), (374, 55500), (375, 55352), (407, 51000), (408, 50875), (425, 48840), (440, 47175), (444, 46750), (500, 41514), (510, 40700), (550, 37740), (555, 37400), (561, 37000), (600, 34595), (629, 33000), (660, 31450), (680, 30525), (740, 28050), (748, 27750), (750, 27676), (814, 25500), (825, 25160), (850, 24420), (888, 23375), (925, 22440), (935, 22200), (1000, 20757), (1020, 20350), (1100, 18870), (1110, 18700), (1122, 18500), (1221, 17000), (1258, 16500), (1275, 16280), (1320, 15725), (1375, 15096), (1480, 14025), (1496, 13875), (1500, 13838), (1628, 12750), (1650, 12580), (1700, 12210), (1850, 11220), (1870, 11100), (1887, 11000), (2035, 10200), (2040, 10175), (2125, 9768), (2200, 9435), (2220, 9350), (2244, 9250), (2442, 8500), (2516, 8250), (2550, 8140), (2750, 7548), (2775, 7480), (2805, 7400), (3000, 6919), (3145, 6600), (3256, 6375), (3300, 6290), (3400, 6105), (3700, 5610), (3740, 5550), (3774, 5500), (4070, 5100), (4125, 5032), (4250, 4884), (4440, 4675), (4488, 4625)]