20808000

素因数分解:

$2^6\times 3^2\times 5^3\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 252

約数和(自身を含む): 79069692

約数和(自身を除く): 58261692

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 64, 68, 72, 75, 80, 85, 90, 96, 100, 102, 120, 125, 136, 144, 150, 153, 160, 170, 180, 192, 200, 204, 225, 240, 250, 255, 272, 288, 289, 300, 306, 320, 340, 360, 375, 400, 408, 425, 450, 480, 500, 510, 544, 576, 578, 600, 612, 680, 720, 750, 765, 800, 816, 850, 867, 900, 960, 1000, 1020, 1088, 1125, 1156, 1200, 1224, 1275, 1360, 1440, 1445, 1500, 1530, 1600, 1632, 1700, 1734, 1800, 2000, 2040, 2125, 2250, 2312, 2400, 2448, 2550, 2601, 2720, 2880, 2890, 3000, 3060, 3264, 3400, 3468, 3600, 3825, 4000, 4080, 4250, 4335, 4500, 4624, 4800, 4896, 5100, 5202, 5440, 5780, 6000, 6120, 6375, 6800, 6936, 7200, 7225, 7650, 8000, 8160, 8500, 8670, 9000, 9248, 9792, 10200, 10404, 11560, 12000, 12240, 12750, 13005, 13600, 13872, 14400, 14450, 15300, 16320, 17000, 17340, 18000, 18496, 19125, 20400, 20808, 21675, 23120, 24000, 24480, 25500, 26010, 27200, 27744, 28900, 30600, 34000, 34680, 36000, 36125, 38250, 40800, 41616, 43350, 46240, 48960, 51000, 52020, 55488, 57800, 61200, 65025, 68000, 69360, 72000, 72250, 76500, 81600, 83232, 86700, 92480, 102000, 104040, 108375, 115600, 122400, 130050, 136000, 138720, 144500, 153000, 166464, 173400, 204000, 208080, 216750, 231200, 244800, 260100, 277440, 289000, 306000, 325125, 346800, 408000, 416160, 433500, 462400, 520200, 578000, 612000, 650250, 693600, 832320, 867000, 1040400, 1156000, 1224000, 1300500, 1387200, 1734000, 2080800, 2312000, 2601000, 3468000, 4161600, 5202000, 6936000, 10404000, 20808000]

約数ペア:

[(1, 20808000), (2, 10404000), (3, 6936000), (4, 5202000), (5, 4161600), (6, 3468000), (8, 2601000), (9, 2312000), (10, 2080800), (12, 1734000), (15, 1387200), (16, 1300500), (17, 1224000), (18, 1156000), (20, 1040400), (24, 867000), (25, 832320), (30, 693600), (32, 650250), (34, 612000), (36, 578000), (40, 520200), (45, 462400), (48, 433500), (50, 416160), (51, 408000), (60, 346800), (64, 325125), (68, 306000), (72, 289000), (75, 277440), (80, 260100), (85, 244800), (90, 231200), (96, 216750), (100, 208080), (102, 204000), (120, 173400), (125, 166464), (136, 153000), (144, 144500), (150, 138720), (153, 136000), (160, 130050), (170, 122400), (180, 115600), (192, 108375), (200, 104040), (204, 102000), (225, 92480), (240, 86700), (250, 83232), (255, 81600), (272, 76500), (288, 72250), (289, 72000), (300, 69360), (306, 68000), (320, 65025), (340, 61200), (360, 57800), (375, 55488), (400, 52020), (408, 51000), (425, 48960), (450, 46240), (480, 43350), (500, 41616), (510, 40800), (544, 38250), (576, 36125), (578, 36000), (600, 34680), (612, 34000), (680, 30600), (720, 28900), (750, 27744), (765, 27200), (800, 26010), (816, 25500), (850, 24480), (867, 24000), (900, 23120), (960, 21675), (1000, 20808), (1020, 20400), (1088, 19125), (1125, 18496), (1156, 18000), (1200, 17340), (1224, 17000), (1275, 16320), (1360, 15300), (1440, 14450), (1445, 14400), (1500, 13872), (1530, 13600), (1600, 13005), (1632, 12750), (1700, 12240), (1734, 12000), (1800, 11560), (2000, 10404), (2040, 10200), (2125, 9792), (2250, 9248), (2312, 9000), (2400, 8670), (2448, 8500), (2550, 8160), (2601, 8000), (2720, 7650), (2880, 7225), (2890, 7200), (3000, 6936), (3060, 6800), (3264, 6375), (3400, 6120), (3468, 6000), (3600, 5780), (3825, 5440), (4000, 5202), (4080, 5100), (4250, 4896), (4335, 4800), (4500, 4624)]