20313216

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:267

約数の個数: 192

約数和(自身を含む): 73195200

約数和(自身を除く): 52881984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 229, 231, 252, 264, 288, 308, 336, 352, 384, 396, 448, 458, 462, 504, 528, 576, 616, 672, 687, 693, 704, 792, 896, 916, 924, 1008, 1056, 1152, 1232, 1344, 1374, 1386, 1408, 1584, 1603, 1832, 1848, 2016, 2061, 2112, 2464, 2519, 2688, 2748, 2772, 3168, 3206, 3664, 3696, 4032, 4122, 4224, 4809, 4928, 5038, 5496, 5544, 6336, 6412, 7328, 7392, 7557, 8064, 8244, 9618, 9856, 10076, 10992, 11088, 12672, 12824, 14427, 14656, 14784, 15114, 16488, 17633, 19236, 20152, 21984, 22176, 22671, 25648, 28854, 29312, 29568, 30228, 32976, 35266, 38472, 40304, 43968, 44352, 45342, 51296, 52899, 57708, 60456, 65952, 70532, 76944, 80608, 87936, 88704, 90684, 102592, 105798, 115416, 120912, 131904, 141064, 153888, 158697, 161216, 181368, 205184, 211596, 230832, 241824, 263808, 282128, 307776, 317394, 322432, 362736, 423192, 461664, 483648, 564256, 615552, 634788, 725472, 846384, 923328, 967296, 1128512, 1269576, 1450944, 1692768, 1846656, 2257024, 2539152, 2901888, 3385536, 5078304, 6771072, 10156608, 20313216]

約数ペア:

[(1, 20313216), (2, 10156608), (3, 6771072), (4, 5078304), (6, 3385536), (7, 2901888), (8, 2539152), (9, 2257024), (11, 1846656), (12, 1692768), (14, 1450944), (16, 1269576), (18, 1128512), (21, 967296), (22, 923328), (24, 846384), (28, 725472), (32, 634788), (33, 615552), (36, 564256), (42, 483648), (44, 461664), (48, 423192), (56, 362736), (63, 322432), (64, 317394), (66, 307776), (72, 282128), (77, 263808), (84, 241824), (88, 230832), (96, 211596), (99, 205184), (112, 181368), (126, 161216), (128, 158697), (132, 153888), (144, 141064), (154, 131904), (168, 120912), (176, 115416), (192, 105798), (198, 102592), (224, 90684), (229, 88704), (231, 87936), (252, 80608), (264, 76944), (288, 70532), (308, 65952), (336, 60456), (352, 57708), (384, 52899), (396, 51296), (448, 45342), (458, 44352), (462, 43968), (504, 40304), (528, 38472), (576, 35266), (616, 32976), (672, 30228), (687, 29568), (693, 29312), (704, 28854), (792, 25648), (896, 22671), (916, 22176), (924, 21984), (1008, 20152), (1056, 19236), (1152, 17633), (1232, 16488), (1344, 15114), (1374, 14784), (1386, 14656), (1408, 14427), (1584, 12824), (1603, 12672), (1832, 11088), (1848, 10992), (2016, 10076), (2061, 9856), (2112, 9618), (2464, 8244), (2519, 8064), (2688, 7557), (2748, 7392), (2772, 7328), (3168, 6412), (3206, 6336), (3664, 5544), (3696, 5496), (4032, 5038), (4122, 4928), (4224, 4809)]