20994635536

素因数分解:

$2^4\times 7^1\times {\mathrm{187452103}}^1$

素因数の和:187452118

約数の個数: 20

約数和(自身を含む): 46488121792

約数和(自身を除く): 25493486256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187452103, 374904206, 749808412, 1312164721, 1499616824, 2624329442, 2999233648, 5248658884, 10497317768, 20994635536]

約数ペア:

[(1, 20994635536), (2, 10497317768), (4, 5248658884), (7, 2999233648), (8, 2624329442), (14, 1499616824), (16, 1312164721), (28, 749808412), (56, 374904206), (112, 187452103)]