20521486944

素因数分解:

$2^5\times 3^3\times 7^3\times {\mathrm{69247}}^1$

素因数の和:69287

約数の個数: 192

約数和(自身を含む): 69801984000

約数和(自身を除く): 49280497056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 343, 378, 392, 432, 441, 504, 588, 672, 686, 756, 784, 864, 882, 1008, 1029, 1176, 1323, 1372, 1512, 1568, 1764, 2016, 2058, 2352, 2646, 2744, 3024, 3087, 3528, 4116, 4704, 5292, 5488, 6048, 6174, 7056, 8232, 9261, 10584, 10976, 12348, 14112, 16464, 18522, 21168, 24696, 32928, 37044, 42336, 49392, 69247, 74088, 98784, 138494, 148176, 207741, 276988, 296352, 415482, 484729, 553976, 623223, 830964, 969458, 1107952, 1246446, 1454187, 1661928, 1869669, 1938916, 2215904, 2492892, 2908374, 3323856, 3393103, 3739338, 3877832, 4362561, 4985784, 5816748, 6647712, 6786206, 7478676, 7755664, 8725122, 9971568, 10179309, 11633496, 13087683, 13572412, 14957352, 15511328, 17450244, 19943136, 20358618, 23266992, 23751721, 26175366, 27144824, 29914704, 30537927, 34900488, 40717236, 46533984, 47503442, 52350732, 54289648, 59829408, 61075854, 69800976, 71255163, 81434472, 91613781, 95006884, 104701464, 108579296, 122151708, 139601952, 142510326, 162868944, 183227562, 190013768, 209402928, 213765489, 244303416, 285020652, 325737888, 366455124, 380027536, 418805856, 427530978, 488606832, 570041304, 641296467, 732910248, 760055072, 855061956, 977213664, 1140082608, 1282592934, 1465820496, 1710123912, 2280165216, 2565185868, 2931640992, 3420247824, 5130371736, 6840495648, 10260743472, 20521486944]

約数ペア:

[(1, 20521486944), (2, 10260743472), (3, 6840495648), (4, 5130371736), (6, 3420247824), (7, 2931640992), (8, 2565185868), (9, 2280165216), (12, 1710123912), (14, 1465820496), (16, 1282592934), (18, 1140082608), (21, 977213664), (24, 855061956), (27, 760055072), (28, 732910248), (32, 641296467), (36, 570041304), (42, 488606832), (48, 427530978), (49, 418805856), (54, 380027536), (56, 366455124), (63, 325737888), (72, 285020652), (84, 244303416), (96, 213765489), (98, 209402928), (108, 190013768), (112, 183227562), (126, 162868944), (144, 142510326), (147, 139601952), (168, 122151708), (189, 108579296), (196, 104701464), (216, 95006884), (224, 91613781), (252, 81434472), (288, 71255163), (294, 69800976), (336, 61075854), (343, 59829408), (378, 54289648), (392, 52350732), (432, 47503442), (441, 46533984), (504, 40717236), (588, 34900488), (672, 30537927), (686, 29914704), (756, 27144824), (784, 26175366), (864, 23751721), (882, 23266992), (1008, 20358618), (1029, 19943136), (1176, 17450244), (1323, 15511328), (1372, 14957352), (1512, 13572412), (1568, 13087683), (1764, 11633496), (2016, 10179309), (2058, 9971568), (2352, 8725122), (2646, 7755664), (2744, 7478676), (3024, 6786206), (3087, 6647712), (3528, 5816748), (4116, 4985784), (4704, 4362561), (5292, 3877832), (5488, 3739338), (6048, 3393103), (6174, 3323856), (7056, 2908374), (8232, 2492892), (9261, 2215904), (10584, 1938916), (10976, 1869669), (12348, 1661928), (14112, 1454187), (16464, 1246446), (18522, 1107952), (21168, 969458), (24696, 830964), (32928, 623223), (37044, 553976), (42336, 484729), (49392, 415482), (69247, 296352), (74088, 276988), (98784, 207741), (138494, 148176)]