20496000

素因数分解:

$2^7\times 3^1\times 5^3\times 7^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 256

約数和(自身を含む): 78923520

約数和(自身を除く): 58427520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 61, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 122, 125, 128, 140, 150, 160, 168, 175, 183, 192, 200, 210, 224, 240, 244, 250, 280, 300, 305, 320, 336, 350, 366, 375, 384, 400, 420, 427, 448, 480, 488, 500, 525, 560, 600, 610, 640, 672, 700, 732, 750, 800, 840, 854, 875, 896, 915, 960, 976, 1000, 1050, 1120, 1200, 1220, 1281, 1344, 1400, 1464, 1500, 1525, 1600, 1680, 1708, 1750, 1830, 1920, 1952, 2000, 2100, 2135, 2240, 2400, 2440, 2562, 2625, 2688, 2800, 2928, 3000, 3050, 3200, 3360, 3416, 3500, 3660, 3904, 4000, 4200, 4270, 4480, 4575, 4800, 4880, 5124, 5250, 5600, 5856, 6000, 6100, 6405, 6720, 6832, 7000, 7320, 7625, 7808, 8000, 8400, 8540, 9150, 9600, 9760, 10248, 10500, 10675, 11200, 11712, 12000, 12200, 12810, 13440, 13664, 14000, 14640, 15250, 16000, 16800, 17080, 18300, 19520, 20496, 21000, 21350, 22400, 22875, 23424, 24000, 24400, 25620, 27328, 28000, 29280, 30500, 32025, 33600, 34160, 36600, 39040, 40992, 42000, 42700, 45750, 48000, 48800, 51240, 53375, 54656, 56000, 58560, 61000, 64050, 67200, 68320, 73200, 81984, 84000, 85400, 91500, 97600, 102480, 106750, 112000, 117120, 122000, 128100, 136640, 146400, 160125, 163968, 168000, 170800, 183000, 195200, 204960, 213500, 244000, 256200, 273280, 292800, 320250, 336000, 341600, 366000, 409920, 427000, 488000, 512400, 585600, 640500, 683200, 732000, 819840, 854000, 976000, 1024800, 1281000, 1366400, 1464000, 1708000, 2049600, 2562000, 2928000, 3416000, 4099200, 5124000, 6832000, 10248000, 20496000]

約数ペア:

[(1, 20496000), (2, 10248000), (3, 6832000), (4, 5124000), (5, 4099200), (6, 3416000), (7, 2928000), (8, 2562000), (10, 2049600), (12, 1708000), (14, 1464000), (15, 1366400), (16, 1281000), (20, 1024800), (21, 976000), (24, 854000), (25, 819840), (28, 732000), (30, 683200), (32, 640500), (35, 585600), (40, 512400), (42, 488000), (48, 427000), (50, 409920), (56, 366000), (60, 341600), (61, 336000), (64, 320250), (70, 292800), (75, 273280), (80, 256200), (84, 244000), (96, 213500), (100, 204960), (105, 195200), (112, 183000), (120, 170800), (122, 168000), (125, 163968), (128, 160125), (140, 146400), (150, 136640), (160, 128100), (168, 122000), (175, 117120), (183, 112000), (192, 106750), (200, 102480), (210, 97600), (224, 91500), (240, 85400), (244, 84000), (250, 81984), (280, 73200), (300, 68320), (305, 67200), (320, 64050), (336, 61000), (350, 58560), (366, 56000), (375, 54656), (384, 53375), (400, 51240), (420, 48800), (427, 48000), (448, 45750), (480, 42700), (488, 42000), (500, 40992), (525, 39040), (560, 36600), (600, 34160), (610, 33600), (640, 32025), (672, 30500), (700, 29280), (732, 28000), (750, 27328), (800, 25620), (840, 24400), (854, 24000), (875, 23424), (896, 22875), (915, 22400), (960, 21350), (976, 21000), (1000, 20496), (1050, 19520), (1120, 18300), (1200, 17080), (1220, 16800), (1281, 16000), (1344, 15250), (1400, 14640), (1464, 14000), (1500, 13664), (1525, 13440), (1600, 12810), (1680, 12200), (1708, 12000), (1750, 11712), (1830, 11200), (1920, 10675), (1952, 10500), (2000, 10248), (2100, 9760), (2135, 9600), (2240, 9150), (2400, 8540), (2440, 8400), (2562, 8000), (2625, 7808), (2688, 7625), (2800, 7320), (2928, 7000), (3000, 6832), (3050, 6720), (3200, 6405), (3360, 6100), (3416, 6000), (3500, 5856), (3660, 5600), (3904, 5250), (4000, 5124), (4200, 4880), (4270, 4800), (4480, 4575)]