20513400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 64281600

約数和(自身を除く): 43768200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 179, 191, 200, 300, 358, 382, 537, 573, 600, 716, 764, 895, 955, 1074, 1146, 1432, 1528, 1790, 1910, 2148, 2292, 2685, 2865, 3580, 3820, 4296, 4475, 4584, 4775, 5370, 5730, 7160, 7640, 8950, 9550, 10740, 11460, 13425, 14325, 17900, 19100, 21480, 22920, 26850, 28650, 34189, 35800, 38200, 53700, 57300, 68378, 102567, 107400, 114600, 136756, 170945, 205134, 273512, 341890, 410268, 512835, 683780, 820536, 854725, 1025670, 1367560, 1709450, 2051340, 2564175, 3418900, 4102680, 5128350, 6837800, 10256700, 20513400]

約数ペア:

[(1, 20513400), (2, 10256700), (3, 6837800), (4, 5128350), (5, 4102680), (6, 3418900), (8, 2564175), (10, 2051340), (12, 1709450), (15, 1367560), (20, 1025670), (24, 854725), (25, 820536), (30, 683780), (40, 512835), (50, 410268), (60, 341890), (75, 273512), (100, 205134), (120, 170945), (150, 136756), (179, 114600), (191, 107400), (200, 102567), (300, 68378), (358, 57300), (382, 53700), (537, 38200), (573, 35800), (600, 34189), (716, 28650), (764, 26850), (895, 22920), (955, 21480), (1074, 19100), (1146, 17900), (1432, 14325), (1528, 13425), (1790, 11460), (1910, 10740), (2148, 9550), (2292, 8950), (2685, 7640), (2865, 7160), (3580, 5730), (3820, 5370), (4296, 4775), (4475, 4584)]