20857544

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2713}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 40425030

約数和(自身を除く): 19567486

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2713, 3844, 5426, 7688, 10852, 21704, 84103, 168206, 336412, 672824, 2607193, 5214386, 10428772, 20857544]

約数ペア:

[(1, 20857544), (2, 10428772), (4, 5214386), (8, 2607193), (31, 672824), (62, 336412), (124, 168206), (248, 84103), (961, 21704), (1922, 10852), (2713, 7688), (3844, 5426)]