20564772

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12329}}^1$

素因数の和:12475

約数の個数: 24

約数和(自身を含む): 48333600

約数和(自身を除く): 27768828

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12329, 24658, 36987, 49316, 73974, 147948, 1713731, 3427462, 5141193, 6854924, 10282386, 20564772]

約数ペア:

[(1, 20564772), (2, 10282386), (3, 6854924), (4, 5141193), (6, 3427462), (12, 1713731), (139, 147948), (278, 73974), (417, 49316), (556, 36987), (834, 24658), (1668, 12329)]