20924400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 79709184

約数和(自身を除く): 58784784

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, 47, 48, 50, 53, 56, 60, 70, 75, 80, 84, 94, 100, 105, 106, 112, 120, 140, 141, 150, 159, 168, 175, 188, 200, 210, 212, 235, 240, 265, 280, 282, 300, 318, 329, 336, 350, 371, 376, 400, 420, 424, 470, 525, 530, 560, 564, 600, 636, 658, 700, 705, 742, 752, 795, 840, 848, 940, 987, 1050, 1060, 1113, 1128, 1175, 1200, 1272, 1316, 1325, 1400, 1410, 1484, 1590, 1645, 1680, 1855, 1880, 1974, 2100, 2120, 2226, 2256, 2350, 2491, 2544, 2632, 2650, 2800, 2820, 2968, 3180, 3290, 3525, 3710, 3760, 3948, 3975, 4200, 4240, 4452, 4700, 4935, 4982, 5264, 5300, 5565, 5640, 5936, 6360, 6580, 7050, 7420, 7473, 7896, 7950, 8225, 8400, 8904, 9275, 9400, 9870, 9964, 10600, 11130, 11280, 12455, 12720, 13160, 14100, 14840, 14946, 15792, 15900, 16450, 17437, 17808, 18550, 18800, 19740, 19928, 21200, 22260, 24675, 24910, 26320, 27825, 28200, 29680, 29892, 31800, 32900, 34874, 37100, 37365, 39480, 39856, 44520, 49350, 49820, 52311, 55650, 56400, 59784, 62275, 63600, 65800, 69748, 74200, 74730, 78960, 87185, 89040, 98700, 99640, 104622, 111300, 119568, 124550, 131600, 139496, 148400, 149460, 174370, 186825, 197400, 199280, 209244, 222600, 249100, 261555, 278992, 298920, 348740, 373650, 394800, 418488, 435925, 445200, 498200, 523110, 597840, 697480, 747300, 836976, 871850, 996400, 1046220, 1307775, 1394960, 1494600, 1743700, 2092440, 2615550, 2989200, 3487400, 4184880, 5231100, 6974800, 10462200, 20924400]

約数ペア:

[(1, 20924400), (2, 10462200), (3, 6974800), (4, 5231100), (5, 4184880), (6, 3487400), (7, 2989200), (8, 2615550), (10, 2092440), (12, 1743700), (14, 1494600), (15, 1394960), (16, 1307775), (20, 1046220), (21, 996400), (24, 871850), (25, 836976), (28, 747300), (30, 697480), (35, 597840), (40, 523110), (42, 498200), (47, 445200), (48, 435925), (50, 418488), (53, 394800), (56, 373650), (60, 348740), (70, 298920), (75, 278992), (80, 261555), (84, 249100), (94, 222600), (100, 209244), (105, 199280), (106, 197400), (112, 186825), (120, 174370), (140, 149460), (141, 148400), (150, 139496), (159, 131600), (168, 124550), (175, 119568), (188, 111300), (200, 104622), (210, 99640), (212, 98700), (235, 89040), (240, 87185), (265, 78960), (280, 74730), (282, 74200), (300, 69748), (318, 65800), (329, 63600), (336, 62275), (350, 59784), (371, 56400), (376, 55650), (400, 52311), (420, 49820), (424, 49350), (470, 44520), (525, 39856), (530, 39480), (560, 37365), (564, 37100), (600, 34874), (636, 32900), (658, 31800), (700, 29892), (705, 29680), (742, 28200), (752, 27825), (795, 26320), (840, 24910), (848, 24675), (940, 22260), (987, 21200), (1050, 19928), (1060, 19740), (1113, 18800), (1128, 18550), (1175, 17808), (1200, 17437), (1272, 16450), (1316, 15900), (1325, 15792), (1400, 14946), (1410, 14840), (1484, 14100), (1590, 13160), (1645, 12720), (1680, 12455), (1855, 11280), (1880, 11130), (1974, 10600), (2100, 9964), (2120, 9870), (2226, 9400), (2256, 9275), (2350, 8904), (2491, 8400), (2544, 8225), (2632, 7950), (2650, 7896), (2800, 7473), (2820, 7420), (2968, 7050), (3180, 6580), (3290, 6360), (3525, 5936), (3710, 5640), (3760, 5565), (3948, 5300), (3975, 5264), (4200, 4982), (4240, 4935), (4452, 4700)]