20606656

素因数分解:

$2^6\times 7^2\times {\mathrm{6571}}^1$

素因数の和:6597

約数の個数: 42

約数和(自身を含む): 47574708

約数和(自身を除く): 26968052

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6571, 13142, 26284, 45997, 52568, 91994, 105136, 183988, 210272, 321979, 367976, 420544, 643958, 735952, 1287916, 1471904, 2575832, 2943808, 5151664, 10303328, 20606656]

約数ペア:

[(1, 20606656), (2, 10303328), (4, 5151664), (7, 2943808), (8, 2575832), (14, 1471904), (16, 1287916), (28, 735952), (32, 643958), (49, 420544), (56, 367976), (64, 321979), (98, 210272), (112, 183988), (196, 105136), (224, 91994), (392, 52568), (448, 45997), (784, 26284), (1568, 13142), (3136, 6571)]