20748000

素因数分解:

$2^5\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 384

約数和(自身を含む): 88058880

約数和(自身を除く): 67310880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 25, 26, 28, 30, 32, 35, 38, 39, 40, 42, 48, 50, 52, 56, 57, 60, 65, 70, 75, 76, 78, 80, 84, 91, 95, 96, 100, 104, 105, 112, 114, 120, 125, 130, 133, 140, 150, 152, 156, 160, 168, 175, 182, 190, 195, 200, 208, 210, 224, 228, 240, 247, 250, 260, 266, 273, 280, 285, 300, 304, 312, 325, 336, 350, 364, 375, 380, 390, 399, 400, 416, 420, 455, 456, 475, 480, 494, 500, 520, 525, 532, 546, 560, 570, 600, 608, 624, 650, 665, 672, 700, 728, 741, 750, 760, 780, 798, 800, 840, 875, 910, 912, 950, 975, 988, 1000, 1040, 1050, 1064, 1092, 1120, 1140, 1200, 1235, 1248, 1300, 1330, 1365, 1400, 1425, 1456, 1482, 1500, 1520, 1560, 1596, 1625, 1680, 1729, 1750, 1820, 1824, 1900, 1950, 1976, 1995, 2000, 2080, 2100, 2128, 2184, 2275, 2280, 2375, 2400, 2470, 2600, 2625, 2660, 2730, 2800, 2850, 2912, 2964, 3000, 3040, 3120, 3192, 3250, 3325, 3360, 3458, 3500, 3640, 3705, 3800, 3900, 3952, 3990, 4000, 4200, 4256, 4368, 4550, 4560, 4750, 4875, 4940, 5187, 5200, 5250, 5320, 5460, 5600, 5700, 5928, 6000, 6175, 6240, 6384, 6500, 6650, 6825, 6916, 7000, 7125, 7280, 7410, 7600, 7800, 7904, 7980, 8400, 8645, 8736, 9100, 9120, 9500, 9750, 9880, 9975, 10374, 10400, 10500, 10640, 10920, 11375, 11400, 11856, 12000, 12350, 12768, 13000, 13300, 13650, 13832, 14000, 14250, 14560, 14820, 15200, 15600, 15960, 16625, 16800, 17290, 18200, 18525, 19000, 19500, 19760, 19950, 20748, 21000, 21280, 21840, 22750, 22800, 23712, 24700, 25935, 26000, 26600, 27300, 27664, 28000, 28500, 29640, 30875, 31200, 31920, 33250, 34125, 34580, 36400, 37050, 38000, 39000, 39520, 39900, 41496, 42000, 43225, 43680, 45500, 45600, 49400, 49875, 51870, 52000, 53200, 54600, 55328, 57000, 59280, 61750, 63840, 66500, 68250, 69160, 72800, 74100, 76000, 78000, 79800, 82992, 84000, 86450, 91000, 92625, 98800, 99750, 103740, 106400, 109200, 114000, 118560, 123500, 129675, 133000, 136500, 138320, 148200, 156000, 159600, 165984, 172900, 182000, 185250, 197600, 199500, 207480, 216125, 218400, 228000, 247000, 259350, 266000, 273000, 276640, 296400, 319200, 345800, 364000, 370500, 399000, 414960, 432250, 494000, 518700, 532000, 546000, 592800, 648375, 691600, 741000, 798000, 829920, 864500, 988000, 1037400, 1092000, 1296750, 1383200, 1482000, 1596000, 1729000, 2074800, 2593500, 2964000, 3458000, 4149600, 5187000, 6916000, 10374000, 20748000]

約数ペア:

[(1, 20748000), (2, 10374000), (3, 6916000), (4, 5187000), (5, 4149600), (6, 3458000), (7, 2964000), (8, 2593500), (10, 2074800), (12, 1729000), (13, 1596000), (14, 1482000), (15, 1383200), (16, 1296750), (19, 1092000), (20, 1037400), (21, 988000), (24, 864500), (25, 829920), (26, 798000), (28, 741000), (30, 691600), (32, 648375), (35, 592800), (38, 546000), (39, 532000), (40, 518700), (42, 494000), (48, 432250), (50, 414960), (52, 399000), (56, 370500), (57, 364000), (60, 345800), (65, 319200), (70, 296400), (75, 276640), (76, 273000), (78, 266000), (80, 259350), (84, 247000), (91, 228000), (95, 218400), (96, 216125), (100, 207480), (104, 199500), (105, 197600), (112, 185250), (114, 182000), (120, 172900), (125, 165984), (130, 159600), (133, 156000), (140, 148200), (150, 138320), (152, 136500), (156, 133000), (160, 129675), (168, 123500), (175, 118560), (182, 114000), (190, 109200), (195, 106400), (200, 103740), (208, 99750), (210, 98800), (224, 92625), (228, 91000), (240, 86450), (247, 84000), (250, 82992), (260, 79800), (266, 78000), (273, 76000), (280, 74100), (285, 72800), (300, 69160), (304, 68250), (312, 66500), (325, 63840), (336, 61750), (350, 59280), (364, 57000), (375, 55328), (380, 54600), (390, 53200), (399, 52000), (400, 51870), (416, 49875), (420, 49400), (455, 45600), (456, 45500), (475, 43680), (480, 43225), (494, 42000), (500, 41496), (520, 39900), (525, 39520), (532, 39000), (546, 38000), (560, 37050), (570, 36400), (600, 34580), (608, 34125), (624, 33250), (650, 31920), (665, 31200), (672, 30875), (700, 29640), (728, 28500), (741, 28000), (750, 27664), (760, 27300), (780, 26600), (798, 26000), (800, 25935), (840, 24700), (875, 23712), (910, 22800), (912, 22750), (950, 21840), (975, 21280), (988, 21000), (1000, 20748), (1040, 19950), (1050, 19760), (1064, 19500), (1092, 19000), (1120, 18525), (1140, 18200), (1200, 17290), (1235, 16800), (1248, 16625), (1300, 15960), (1330, 15600), (1365, 15200), (1400, 14820), (1425, 14560), (1456, 14250), (1482, 14000), (1500, 13832), (1520, 13650), (1560, 13300), (1596, 13000), (1625, 12768), (1680, 12350), (1729, 12000), (1750, 11856), (1820, 11400), (1824, 11375), (1900, 10920), (1950, 10640), (1976, 10500), (1995, 10400), (2000, 10374), (2080, 9975), (2100, 9880), (2128, 9750), (2184, 9500), (2275, 9120), (2280, 9100), (2375, 8736), (2400, 8645), (2470, 8400), (2600, 7980), (2625, 7904), (2660, 7800), (2730, 7600), (2800, 7410), (2850, 7280), (2912, 7125), (2964, 7000), (3000, 6916), (3040, 6825), (3120, 6650), (3192, 6500), (3250, 6384), (3325, 6240), (3360, 6175), (3458, 6000), (3500, 5928), (3640, 5700), (3705, 5600), (3800, 5460), (3900, 5320), (3952, 5250), (3990, 5200), (4000, 5187), (4200, 4940), (4256, 4875), (4368, 4750), (4550, 4560)]