20278656

素因数分解:

$2^7\times 3^2\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 60465600

約数和(自身を除く): 40186944

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, 261, 288, 348, 384, 464, 522, 576, 607, 696, 928, 1044, 1152, 1214, 1392, 1821, 1856, 2088, 2428, 2784, 3642, 3712, 4176, 4856, 5463, 5568, 7284, 8352, 9712, 10926, 11136, 14568, 16704, 17603, 19424, 21852, 29136, 33408, 35206, 38848, 43704, 52809, 58272, 70412, 77696, 87408, 105618, 116544, 140824, 158427, 174816, 211236, 233088, 281648, 316854, 349632, 422472, 563296, 633708, 699264, 844944, 1126592, 1267416, 1689888, 2253184, 2534832, 3379776, 5069664, 6759552, 10139328, 20278656]

約数ペア:

[(1, 20278656), (2, 10139328), (3, 6759552), (4, 5069664), (6, 3379776), (8, 2534832), (9, 2253184), (12, 1689888), (16, 1267416), (18, 1126592), (24, 844944), (29, 699264), (32, 633708), (36, 563296), (48, 422472), (58, 349632), (64, 316854), (72, 281648), (87, 233088), (96, 211236), (116, 174816), (128, 158427), (144, 140824), (174, 116544), (192, 105618), (232, 87408), (261, 77696), (288, 70412), (348, 58272), (384, 52809), (464, 43704), (522, 38848), (576, 35206), (607, 33408), (696, 29136), (928, 21852), (1044, 19424), (1152, 17603), (1214, 16704), (1392, 14568), (1821, 11136), (1856, 10926), (2088, 9712), (2428, 8352), (2784, 7284), (3642, 5568), (3712, 5463), (4176, 4856)]