20586496

素因数分解:

$2^{13}\times 7^1\times {\mathrm{359}}^1$

素因数の和:392

約数の個数: 56

約数和(自身を含む): 47183040

約数和(自身を除く): 26596544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 359, 448, 512, 718, 896, 1024, 1436, 1792, 2048, 2513, 2872, 3584, 4096, 5026, 5744, 7168, 8192, 10052, 11488, 14336, 20104, 22976, 28672, 40208, 45952, 57344, 80416, 91904, 160832, 183808, 321664, 367616, 643328, 735232, 1286656, 1470464, 2573312, 2940928, 5146624, 10293248, 20586496]

約数ペア:

[(1, 20586496), (2, 10293248), (4, 5146624), (7, 2940928), (8, 2573312), (14, 1470464), (16, 1286656), (28, 735232), (32, 643328), (56, 367616), (64, 321664), (112, 183808), (128, 160832), (224, 91904), (256, 80416), (359, 57344), (448, 45952), (512, 40208), (718, 28672), (896, 22976), (1024, 20104), (1436, 14336), (1792, 11488), (2048, 10052), (2513, 8192), (2872, 7168), (3584, 5744), (4096, 5026)]