20707008

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 168

約数和(自身を含む): 66714624

約数和(自身を除く): 46007616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 71, 84, 93, 96, 98, 112, 124, 142, 147, 168, 186, 192, 196, 213, 217, 224, 248, 284, 294, 336, 372, 392, 426, 434, 448, 496, 497, 568, 588, 651, 672, 744, 784, 852, 868, 992, 994, 1136, 1176, 1302, 1344, 1488, 1491, 1519, 1568, 1704, 1736, 1984, 1988, 2201, 2272, 2352, 2604, 2976, 2982, 3038, 3136, 3408, 3472, 3479, 3976, 4402, 4544, 4557, 4704, 5208, 5952, 5964, 6076, 6603, 6816, 6944, 6958, 7952, 8804, 9114, 9408, 10416, 10437, 11928, 12152, 13206, 13632, 13888, 13916, 15407, 15904, 17608, 18228, 20832, 20874, 23856, 24304, 26412, 27832, 30814, 31808, 35216, 36456, 41664, 41748, 46221, 47712, 48608, 52824, 55664, 61628, 70432, 72912, 83496, 92442, 95424, 97216, 105648, 107849, 111328, 123256, 140864, 145824, 166992, 184884, 211296, 215698, 222656, 246512, 291648, 323547, 333984, 369768, 422592, 431396, 493024, 647094, 667968, 739536, 862792, 986048, 1294188, 1479072, 1725584, 2588376, 2958144, 3451168, 5176752, 6902336, 10353504, 20707008]

約数ペア:

[(1, 20707008), (2, 10353504), (3, 6902336), (4, 5176752), (6, 3451168), (7, 2958144), (8, 2588376), (12, 1725584), (14, 1479072), (16, 1294188), (21, 986048), (24, 862792), (28, 739536), (31, 667968), (32, 647094), (42, 493024), (48, 431396), (49, 422592), (56, 369768), (62, 333984), (64, 323547), (71, 291648), (84, 246512), (93, 222656), (96, 215698), (98, 211296), (112, 184884), (124, 166992), (142, 145824), (147, 140864), (168, 123256), (186, 111328), (192, 107849), (196, 105648), (213, 97216), (217, 95424), (224, 92442), (248, 83496), (284, 72912), (294, 70432), (336, 61628), (372, 55664), (392, 52824), (426, 48608), (434, 47712), (448, 46221), (496, 41748), (497, 41664), (568, 36456), (588, 35216), (651, 31808), (672, 30814), (744, 27832), (784, 26412), (852, 24304), (868, 23856), (992, 20874), (994, 20832), (1136, 18228), (1176, 17608), (1302, 15904), (1344, 15407), (1488, 13916), (1491, 13888), (1519, 13632), (1568, 13206), (1704, 12152), (1736, 11928), (1984, 10437), (1988, 10416), (2201, 9408), (2272, 9114), (2352, 8804), (2604, 7952), (2976, 6958), (2982, 6944), (3038, 6816), (3136, 6603), (3408, 6076), (3472, 5964), (3479, 5952), (3976, 5208), (4402, 4704), (4544, 4557)]