20457024

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:544

約数の個数: 112

約数和(自身を含む): 63983616

約数和(自身を除く): 43526592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 491, 496, 651, 672, 744, 868, 982, 992, 1302, 1344, 1473, 1488, 1736, 1964, 1984, 2604, 2946, 2976, 3437, 3472, 3928, 5208, 5892, 5952, 6874, 6944, 7856, 10311, 10416, 11784, 13748, 13888, 15221, 15712, 20622, 20832, 23568, 27496, 30442, 31424, 41244, 41664, 45663, 47136, 54992, 60884, 82488, 91326, 94272, 106547, 109984, 121768, 164976, 182652, 213094, 219968, 243536, 319641, 329952, 365304, 426188, 487072, 639282, 659904, 730608, 852376, 974144, 1278564, 1461216, 1704752, 2557128, 2922432, 3409504, 5114256, 6819008, 10228512, 20457024]

約数ペア:

[(1, 20457024), (2, 10228512), (3, 6819008), (4, 5114256), (6, 3409504), (7, 2922432), (8, 2557128), (12, 1704752), (14, 1461216), (16, 1278564), (21, 974144), (24, 852376), (28, 730608), (31, 659904), (32, 639282), (42, 487072), (48, 426188), (56, 365304), (62, 329952), (64, 319641), (84, 243536), (93, 219968), (96, 213094), (112, 182652), (124, 164976), (168, 121768), (186, 109984), (192, 106547), (217, 94272), (224, 91326), (248, 82488), (336, 60884), (372, 54992), (434, 47136), (448, 45663), (491, 41664), (496, 41244), (651, 31424), (672, 30442), (744, 27496), (868, 23568), (982, 20832), (992, 20622), (1302, 15712), (1344, 15221), (1473, 13888), (1488, 13748), (1736, 11784), (1964, 10416), (1984, 10311), (2604, 7856), (2946, 6944), (2976, 6874), (3437, 5952), (3472, 5892), (3928, 5208)]