20744809728

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{1723}}^1$

素因数の和:2060

約数の個数: 144

約数和(自身を含む): 56367600576

約数和(自身を除く): 35622790848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 257, 366, 384, 488, 514, 732, 768, 771, 976, 1028, 1464, 1542, 1723, 1952, 2056, 2928, 3084, 3446, 3904, 4112, 5169, 5856, 6168, 6892, 7808, 8224, 10338, 11712, 12336, 13784, 15616, 15677, 16448, 20676, 23424, 24672, 27568, 31354, 32896, 41352, 46848, 47031, 49344, 55136, 62708, 65792, 82704, 94062, 98688, 105103, 110272, 125416, 165408, 188124, 197376, 210206, 220544, 250832, 315309, 330816, 376248, 420412, 441088, 442811, 501664, 630618, 661632, 752496, 840824, 885622, 1003328, 1261236, 1323264, 1328433, 1504992, 1681648, 1771244, 2006656, 2522472, 2656866, 3009984, 3363296, 3542488, 4013312, 5044944, 5313732, 6019968, 6726592, 7084976, 10089888, 10627464, 12039936, 13453184, 14169952, 20179776, 21254928, 26906368, 27011471, 28339904, 40359552, 42509856, 54022942, 56679808, 80719104, 81034413, 85019712, 108045884, 113359616, 162068826, 170039424, 216091768, 324137652, 340078848, 432183536, 648275304, 864367072, 1296550608, 1728734144, 2593101216, 3457468288, 5186202432, 6914936576, 10372404864, 20744809728]

約数ペア:

[(1, 20744809728), (2, 10372404864), (3, 6914936576), (4, 5186202432), (6, 3457468288), (8, 2593101216), (12, 1728734144), (16, 1296550608), (24, 864367072), (32, 648275304), (48, 432183536), (61, 340078848), (64, 324137652), (96, 216091768), (122, 170039424), (128, 162068826), (183, 113359616), (192, 108045884), (244, 85019712), (256, 81034413), (257, 80719104), (366, 56679808), (384, 54022942), (488, 42509856), (514, 40359552), (732, 28339904), (768, 27011471), (771, 26906368), (976, 21254928), (1028, 20179776), (1464, 14169952), (1542, 13453184), (1723, 12039936), (1952, 10627464), (2056, 10089888), (2928, 7084976), (3084, 6726592), (3446, 6019968), (3904, 5313732), (4112, 5044944), (5169, 4013312), (5856, 3542488), (6168, 3363296), (6892, 3009984), (7808, 2656866), (8224, 2522472), (10338, 2006656), (11712, 1771244), (12336, 1681648), (13784, 1504992), (15616, 1328433), (15677, 1323264), (16448, 1261236), (20676, 1003328), (23424, 885622), (24672, 840824), (27568, 752496), (31354, 661632), (32896, 630618), (41352, 501664), (46848, 442811), (47031, 441088), (49344, 420412), (55136, 376248), (62708, 330816), (65792, 315309), (82704, 250832), (94062, 220544), (98688, 210206), (105103, 197376), (110272, 188124), (125416, 165408)]