20470800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2437}}^1$

素因数の和:2465

約数の個数: 120

約数和(自身を含む): 74973376

約数和(自身を除く): 54502576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2437, 2800, 4200, 4874, 7311, 8400, 9748, 12185, 14622, 17059, 19496, 24370, 29244, 34118, 36555, 38992, 48740, 51177, 58488, 60925, 68236, 73110, 85295, 97480, 102354, 116976, 121850, 136472, 146220, 170590, 182775, 194960, 204708, 243700, 255885, 272944, 292440, 341180, 365550, 409416, 426475, 487400, 511770, 584880, 682360, 731100, 818832, 852950, 974800, 1023540, 1279425, 1364720, 1462200, 1705900, 2047080, 2558850, 2924400, 3411800, 4094160, 5117700, 6823600, 10235400, 20470800]

約数ペア:

[(1, 20470800), (2, 10235400), (3, 6823600), (4, 5117700), (5, 4094160), (6, 3411800), (7, 2924400), (8, 2558850), (10, 2047080), (12, 1705900), (14, 1462200), (15, 1364720), (16, 1279425), (20, 1023540), (21, 974800), (24, 852950), (25, 818832), (28, 731100), (30, 682360), (35, 584880), (40, 511770), (42, 487400), (48, 426475), (50, 409416), (56, 365550), (60, 341180), (70, 292440), (75, 272944), (80, 255885), (84, 243700), (100, 204708), (105, 194960), (112, 182775), (120, 170590), (140, 146220), (150, 136472), (168, 121850), (175, 116976), (200, 102354), (210, 97480), (240, 85295), (280, 73110), (300, 68236), (336, 60925), (350, 58488), (400, 51177), (420, 48740), (525, 38992), (560, 36555), (600, 34118), (700, 29244), (840, 24370), (1050, 19496), (1200, 17059), (1400, 14622), (1680, 12185), (2100, 9748), (2437, 8400), (2800, 7311), (4200, 4874)]