20808768449

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{579583}}^1$

素因数の和:579836

約数の個数: 16

約数和(自身を含む): 24926748672

約数和(自身を除く): 4117980223

約数列:

[1, 7, 23, 161, 223, 1561, 5129, 35903, 579583, 4057081, 13330409, 93312863, 129247009, 904729063, 2972681207, 20808768449]

約数ペア:

[(1, 20808768449), (7, 2972681207), (23, 904729063), (161, 129247009), (223, 93312863), (1561, 13330409), (5129, 4057081), (35903, 579583)]