20349600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 67808160

約数和(自身を除く): 47458560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 75, 80, 96, 100, 120, 122, 139, 150, 160, 183, 200, 240, 244, 278, 300, 305, 366, 400, 417, 480, 488, 556, 600, 610, 695, 732, 800, 834, 915, 976, 1112, 1200, 1220, 1390, 1464, 1525, 1668, 1830, 1952, 2085, 2224, 2400, 2440, 2780, 2928, 3050, 3336, 3475, 3660, 4170, 4448, 4575, 4880, 5560, 5856, 6100, 6672, 6950, 7320, 8340, 8479, 9150, 9760, 10425, 11120, 12200, 13344, 13900, 14640, 16680, 16958, 18300, 20850, 22240, 24400, 25437, 27800, 29280, 33360, 33916, 36600, 41700, 42395, 48800, 50874, 55600, 66720, 67832, 73200, 83400, 84790, 101748, 111200, 127185, 135664, 146400, 166800, 169580, 203496, 211975, 254370, 271328, 333600, 339160, 406992, 423950, 508740, 635925, 678320, 813984, 847900, 1017480, 1271850, 1356640, 1695800, 2034960, 2543700, 3391600, 4069920, 5087400, 6783200, 10174800, 20349600]

約数ペア:

[(1, 20349600), (2, 10174800), (3, 6783200), (4, 5087400), (5, 4069920), (6, 3391600), (8, 2543700), (10, 2034960), (12, 1695800), (15, 1356640), (16, 1271850), (20, 1017480), (24, 847900), (25, 813984), (30, 678320), (32, 635925), (40, 508740), (48, 423950), (50, 406992), (60, 339160), (61, 333600), (75, 271328), (80, 254370), (96, 211975), (100, 203496), (120, 169580), (122, 166800), (139, 146400), (150, 135664), (160, 127185), (183, 111200), (200, 101748), (240, 84790), (244, 83400), (278, 73200), (300, 67832), (305, 66720), (366, 55600), (400, 50874), (417, 48800), (480, 42395), (488, 41700), (556, 36600), (600, 33916), (610, 33360), (695, 29280), (732, 27800), (800, 25437), (834, 24400), (915, 22240), (976, 20850), (1112, 18300), (1200, 16958), (1220, 16680), (1390, 14640), (1464, 13900), (1525, 13344), (1668, 12200), (1830, 11120), (1952, 10425), (2085, 9760), (2224, 9150), (2400, 8479), (2440, 8340), (2780, 7320), (2928, 6950), (3050, 6672), (3336, 6100), (3475, 5856), (3660, 5560), (4170, 4880), (4448, 4575)]