20867557019904

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1\times {\mathrm{1723}}^1$

素因数の和:2203

約数の個数: 864

約数和(自身を含む): 73565934833664

約数和(自身を除く): 52698377813760

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 128, 136, 144, 153, 163, 168, 192, 204, 224, 238, 252, 256, 271, 272, 288, 306, 326, 336, 357, 384, 408, 448, 476, 489, 504, 542, 544, 576, 612, 652, 672, 714, 768, 813, 816, 896, 952, 978, 1008, 1071, 1084, 1088, 1141, 1152, 1224, 1304, 1344, 1428, 1467, 1626, 1632, 1723, 1792, 1897, 1904, 1956, 2016, 2142, 2168, 2176, 2282, 2304, 2439, 2448, 2608, 2688, 2771, 2856, 2934, 3252, 3264, 3423, 3446, 3794, 3808, 3912, 4032, 4284, 4336, 4352, 4564, 4607, 4878, 4896, 5169, 5216, 5376, 5542, 5691, 5712, 5868, 6504, 6528, 6846, 6892, 7588, 7616, 7824, 8064, 8313, 8568, 8672, 9128, 9214, 9756, 9792, 10269, 10338, 10432, 11084, 11382, 11424, 11736, 12061, 13008, 13056, 13692, 13784, 13821, 15176, 15232, 15507, 15648, 16128, 16626, 17073, 17136, 17344, 18256, 18428, 19397, 19512, 19584, 20538, 20676, 20864, 22168, 22764, 22848, 23472, 24122, 24939, 26016, 27384, 27568, 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約数ペア:

[(1, 20867557019904), (2, 10433778509952), (3, 6955852339968), (4, 5216889254976), (6, 3477926169984), (7, 2981079574272), (8, 2608444627488), (9, 2318617446656), (12, 1738963084992), (14, 1490539787136), (16, 1304222313744), (17, 1227503354112), (18, 1159308723328), (21, 993693191424), (24, 869481542496), (28, 745269893568), (32, 652111156872), (34, 613751677056), (36, 579654361664), (42, 496846595712), (48, 434740771248), (51, 409167784704), (56, 372634946784), (63, 331231063808), (64, 326055578436), (68, 306875838528), (72, 289827180832), (84, 248423297856), (96, 217370385624), (102, 204583892352), (112, 186317473392), (119, 175357622016), (126, 165615531904), (128, 163027789218), (136, 153437919264), (144, 144913590416), (153, 136389261568), (163, 128021822208), (168, 124211648928), (192, 108685192812), (204, 102291946176), (224, 93158736696), (238, 87678811008), (252, 82807765952), (256, 81513894609), (271, 77002055424), (272, 76718959632), (288, 72456795208), (306, 68194630784), 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