20199963889

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{965443}}^1$

素因数の和:965525

約数の個数: 16

約数和(自身を含む): 23943011200

約数和(自身を除く): 3743047311

約数列:

[1, 7, 49, 61, 343, 427, 2989, 20923, 965443, 6758101, 47306707, 58892023, 331146949, 412244161, 2885709127, 20199963889]

約数ペア:

[(1, 20199963889), (7, 2885709127), (49, 412244161), (61, 331146949), (343, 58892023), (427, 47306707), (2989, 6758101), (20923, 965443)]