20578432

素因数分解:

$2^7\times 7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 50756220

約数和(自身を除く): 30177788

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 193, 196, 224, 238, 272, 386, 392, 448, 476, 544, 772, 784, 833, 896, 952, 1088, 1351, 1544, 1568, 1666, 1904, 2176, 2702, 3088, 3136, 3281, 3332, 3808, 5404, 6176, 6272, 6562, 6664, 7616, 9457, 10808, 12352, 13124, 13328, 15232, 18914, 21616, 22967, 24704, 26248, 26656, 37828, 43232, 45934, 52496, 53312, 75656, 86464, 91868, 104992, 106624, 151312, 160769, 172928, 183736, 209984, 302624, 321538, 367472, 419968, 605248, 643076, 734944, 1210496, 1286152, 1469888, 2572304, 2939776, 5144608, 10289216, 20578432]

約数ペア:

[(1, 20578432), (2, 10289216), (4, 5144608), (7, 2939776), (8, 2572304), (14, 1469888), (16, 1286152), (17, 1210496), (28, 734944), (32, 643076), (34, 605248), (49, 419968), (56, 367472), (64, 321538), (68, 302624), (98, 209984), (112, 183736), (119, 172928), (128, 160769), (136, 151312), (193, 106624), (196, 104992), (224, 91868), (238, 86464), (272, 75656), (386, 53312), (392, 52496), (448, 45934), (476, 43232), (544, 37828), (772, 26656), (784, 26248), (833, 24704), (896, 22967), (952, 21616), (1088, 18914), (1351, 15232), (1544, 13328), (1568, 13124), (1666, 12352), (1904, 10808), (2176, 9457), (2702, 7616), (3088, 6664), (3136, 6562), (3281, 6272), (3332, 6176), (3808, 5404)]