20448219904

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4603}}^1$

素因数の和:4730

約数の個数: 144

約数和(自身を含む): 48633856768

約数和(自身を除く): 28185636864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 67, 74, 112, 128, 134, 148, 224, 256, 259, 268, 296, 448, 469, 518, 536, 592, 896, 938, 1036, 1072, 1184, 1792, 1876, 2072, 2144, 2368, 2479, 3752, 4144, 4288, 4603, 4736, 4958, 7504, 8288, 8576, 9206, 9472, 9916, 15008, 16576, 17152, 17353, 18412, 19832, 30016, 32221, 33152, 34706, 36824, 39664, 60032, 64442, 66304, 69412, 73648, 79328, 120064, 128884, 138824, 147296, 158656, 170311, 257768, 277648, 294592, 308401, 317312, 340622, 515536, 555296, 589184, 616802, 634624, 681244, 1031072, 1110592, 1178368, 1192177, 1233604, 1362488, 2062144, 2158807, 2221184, 2384354, 2467208, 2724976, 4124288, 4317614, 4442368, 4768708, 4934416, 5449952, 8248576, 8635228, 9537416, 9868832, 10899904, 11410837, 17270456, 19074832, 19737664, 21799808, 22821674, 34540912, 38149664, 39475328, 43599616, 45643348, 69081824, 76299328, 78950656, 79875859, 91286696, 138163648, 152598656, 159751718, 182573392, 276327296, 305197312, 319503436, 365146784, 552654592, 639006872, 730293568, 1278013744, 1460587136, 2556027488, 2921174272, 5112054976, 10224109952, 20448219904]

約数ペア:

[(1, 20448219904), (2, 10224109952), (4, 5112054976), (7, 2921174272), (8, 2556027488), (14, 1460587136), (16, 1278013744), (28, 730293568), (32, 639006872), (37, 552654592), (56, 365146784), (64, 319503436), (67, 305197312), (74, 276327296), (112, 182573392), (128, 159751718), (134, 152598656), (148, 138163648), (224, 91286696), (256, 79875859), (259, 78950656), (268, 76299328), (296, 69081824), (448, 45643348), (469, 43599616), (518, 39475328), (536, 38149664), (592, 34540912), (896, 22821674), (938, 21799808), (1036, 19737664), (1072, 19074832), (1184, 17270456), (1792, 11410837), (1876, 10899904), (2072, 9868832), (2144, 9537416), (2368, 8635228), (2479, 8248576), (3752, 5449952), (4144, 4934416), (4288, 4768708), (4603, 4442368), (4736, 4317614), (4958, 4124288), (7504, 2724976), (8288, 2467208), (8576, 2384354), (9206, 2221184), (9472, 2158807), (9916, 2062144), (15008, 1362488), (16576, 1233604), (17152, 1192177), (17353, 1178368), (18412, 1110592), (19832, 1031072), (30016, 681244), (32221, 634624), (33152, 616802), (34706, 589184), (36824, 555296), (39664, 515536), (60032, 340622), (64442, 317312), (66304, 308401), (69412, 294592), (73648, 277648), (79328, 257768), (120064, 170311), (128884, 158656), (138824, 147296)]