20806576

素因数分解:

$2^4\times 7^2\times {\mathrm{26539}}^1$

素因数の和:26561

約数の個数: 30

約数和(自身を含む): 46896180

約数和(自身を除く): 26089604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26539, 53078, 106156, 185773, 212312, 371546, 424624, 743092, 1300411, 1486184, 2600822, 2972368, 5201644, 10403288, 20806576]

約数ペア:

[(1, 20806576), (2, 10403288), (4, 5201644), (7, 2972368), (8, 2600822), (14, 1486184), (16, 1300411), (28, 743092), (49, 424624), (56, 371546), (98, 212312), (112, 185773), (196, 106156), (392, 53078), (784, 26539)]