20405399042

素因数分解:

$2^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{3042857}}^1$

素因数の和:3043345

約数の個数: 16

約数和(自身を含む): 35053724160

約数和(自身を除く): 14648325118

約数列:

[1, 2, 7, 14, 479, 958, 3353, 6706, 3042857, 6085714, 21299999, 42599998, 1457528503, 2915057006, 10202699521, 20405399042]

約数ペア:

[(1, 20405399042), (2, 10202699521), (7, 2915057006), (14, 1457528503), (479, 42599998), (958, 21299999), (3353, 6085714), (6706, 3042857)]