20931997184

素因数分解:

$2^9\times 7^2\times {\mathrm{17}}^2\times {\mathrm{2887}}^1$

素因数の和:2953

約数の個数: 180

約数和(自身を含む): 51699465576

約数和(自身を除く): 30767468392

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 196, 224, 238, 256, 272, 289, 392, 448, 476, 512, 544, 578, 784, 833, 896, 952, 1088, 1156, 1568, 1666, 1792, 1904, 2023, 2176, 2312, 2887, 3136, 3332, 3584, 3808, 4046, 4352, 4624, 5774, 6272, 6664, 7616, 8092, 8704, 9248, 11548, 12544, 13328, 14161, 15232, 16184, 18496, 20209, 23096, 25088, 26656, 28322, 30464, 32368, 36992, 40418, 46192, 49079, 53312, 56644, 60928, 64736, 73984, 80836, 92384, 98158, 106624, 113288, 129472, 141463, 147968, 161672, 184768, 196316, 213248, 226576, 258944, 282926, 323344, 343553, 369536, 392632, 426496, 453152, 517888, 565852, 646688, 687106, 739072, 785264, 834343, 906304, 1035776, 1131704, 1293376, 1374212, 1478144, 1570528, 1668686, 1812608, 2263408, 2404871, 2586752, 2748424, 3141056, 3337372, 3625216, 4526816, 4809742, 5173504, 5496848, 5840401, 6282112, 6674744, 7250432, 9053632, 9619484, 10347008, 10993696, 11680802, 12564224, 13349488, 18107264, 19238968, 21987392, 23361604, 25128448, 26698976, 36214528, 38477936, 40882807, 43974784, 46723208, 53397952, 72429056, 76955872, 81765614, 87949568, 93446416, 106795904, 153911744, 163531228, 175899136, 186892832, 213591808, 307823488, 327062456, 373785664, 427183616, 615646976, 654124912, 747571328, 1231293952, 1308249824, 1495142656, 2616499648, 2990285312, 5232999296, 10465998592, 20931997184]

約数ペア:

[(1, 20931997184), (2, 10465998592), (4, 5232999296), (7, 2990285312), (8, 2616499648), (14, 1495142656), (16, 1308249824), (17, 1231293952), (28, 747571328), (32, 654124912), (34, 615646976), (49, 427183616), (56, 373785664), (64, 327062456), (68, 307823488), (98, 213591808), (112, 186892832), (119, 175899136), (128, 163531228), (136, 153911744), (196, 106795904), (224, 93446416), (238, 87949568), (256, 81765614), (272, 76955872), (289, 72429056), (392, 53397952), (448, 46723208), (476, 43974784), (512, 40882807), (544, 38477936), (578, 36214528), (784, 26698976), (833, 25128448), (896, 23361604), (952, 21987392), (1088, 19238968), (1156, 18107264), (1568, 13349488), (1666, 12564224), (1792, 11680802), (1904, 10993696), (2023, 10347008), (2176, 9619484), (2312, 9053632), (2887, 7250432), (3136, 6674744), (3332, 6282112), (3584, 5840401), (3808, 5496848), (4046, 5173504), (4352, 4809742), (4624, 4526816), (5774, 3625216), (6272, 3337372), (6664, 3141056), (7616, 2748424), (8092, 2586752), (8704, 2404871), (9248, 2263408), (11548, 1812608), (12544, 1668686), (13328, 1570528), (14161, 1478144), (15232, 1374212), (16184, 1293376), (18496, 1131704), (20209, 1035776), (23096, 906304), (25088, 834343), (26656, 785264), (28322, 739072), (30464, 687106), (32368, 646688), (36992, 565852), (40418, 517888), (46192, 453152), (49079, 426496), (53312, 392632), (56644, 369536), (60928, 343553), (64736, 323344), (73984, 282926), (80836, 258944), (92384, 226576), (98158, 213248), (106624, 196316), (113288, 184768), (129472, 161672), (141463, 147968)]