20279791872

素因数分解:

$2^8\times 3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1181}}^1$

素因数の和:1489

約数の個数: 216

約数和(自身を含む): 60774681240

約数和(自身を除く): 40494889368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 256, 257, 261, 288, 348, 384, 464, 514, 522, 576, 696, 768, 771, 928, 1028, 1044, 1152, 1181, 1392, 1542, 1856, 2056, 2088, 2304, 2313, 2362, 2784, 3084, 3543, 3712, 4112, 4176, 4626, 4724, 5568, 6168, 7086, 7424, 7453, 8224, 8352, 9252, 9448, 10629, 11136, 12336, 14172, 14906, 16448, 16704, 18504, 18896, 21258, 22272, 22359, 24672, 28344, 29812, 32896, 33408, 34249, 37008, 37792, 42516, 44718, 49344, 56688, 59624, 65792, 66816, 67077, 68498, 74016, 75584, 85032, 89436, 98688, 102747, 113376, 119248, 134154, 136996, 148032, 151168, 170064, 178872, 197376, 205494, 226752, 238496, 268308, 273992, 296064, 302336, 303517, 308241, 340128, 357744, 410988, 453504, 476992, 536616, 547984, 592128, 607034, 616482, 680256, 715488, 821976, 907008, 910551, 953984, 1073232, 1095968, 1214068, 1232964, 1360512, 1430976, 1643952, 1821102, 1907968, 2146464, 2191936, 2428136, 2465928, 2721024, 2731653, 2861952, 3287904, 3642204, 4292928, 4383872, 4856272, 4931856, 5463306, 5723904, 6575808, 7284408, 8585856, 8767744, 8801993, 9712544, 9863712, 10926612, 13151616, 14568816, 17171712, 17603986, 19425088, 19727424, 21853224, 26303232, 26405979, 29137632, 35207972, 38850176, 39454848, 43706448, 52811958, 58275264, 70415944, 77700352, 78909696, 79217937, 87412896, 105623916, 116550528, 140831888, 158435874, 174825792, 211247832, 233101056, 281663776, 316871748, 349651584, 422495664, 563327552, 633743496, 699303168, 844991328, 1126655104, 1267486992, 1689982656, 2253310208, 2534973984, 3379965312, 5069947968, 6759930624, 10139895936, 20279791872]

約数ペア:

[(1, 20279791872), (2, 10139895936), (3, 6759930624), (4, 5069947968), (6, 3379965312), (8, 2534973984), (9, 2253310208), (12, 1689982656), (16, 1267486992), (18, 1126655104), (24, 844991328), (29, 699303168), (32, 633743496), (36, 563327552), (48, 422495664), (58, 349651584), (64, 316871748), (72, 281663776), (87, 233101056), (96, 211247832), (116, 174825792), (128, 158435874), (144, 140831888), (174, 116550528), (192, 105623916), (232, 87412896), (256, 79217937), (257, 78909696), (261, 77700352), (288, 70415944), (348, 58275264), (384, 52811958), (464, 43706448), (514, 39454848), (522, 38850176), (576, 35207972), (696, 29137632), (768, 26405979), (771, 26303232), (928, 21853224), (1028, 19727424), (1044, 19425088), (1152, 17603986), (1181, 17171712), (1392, 14568816), (1542, 13151616), (1856, 10926612), (2056, 9863712), (2088, 9712544), (2304, 8801993), (2313, 8767744), (2362, 8585856), (2784, 7284408), (3084, 6575808), (3543, 5723904), (3712, 5463306), (4112, 4931856), (4176, 4856272), (4626, 4383872), (4724, 4292928), (5568, 3642204), (6168, 3287904), (7086, 2861952), (7424, 2731653), (7453, 2721024), (8224, 2465928), (8352, 2428136), (9252, 2191936), (9448, 2146464), (10629, 1907968), (11136, 1821102), (12336, 1643952), (14172, 1430976), (14906, 1360512), (16448, 1232964), (16704, 1214068), (18504, 1095968), (18896, 1073232), (21258, 953984), (22272, 910551), (22359, 907008), (24672, 821976), (28344, 715488), (29812, 680256), (32896, 616482), (33408, 607034), (34249, 592128), (37008, 547984), (37792, 536616), (42516, 476992), (44718, 453504), (49344, 410988), (56688, 357744), (59624, 340128), (65792, 308241), (66816, 303517), (67077, 302336), (68498, 296064), (74016, 273992), (75584, 268308), (85032, 238496), (89436, 226752), (98688, 205494), (102747, 197376), (113376, 178872), (119248, 170064), (134154, 151168), (136996, 148032)]