2021570224

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{491627}}^1$

素因数の和:491892

約数の個数: 20

約数和(自身を含む): 3932040744

約数和(自身を除く): 1910470520

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 491627, 983254, 1966508, 3933016, 7866032, 126348139, 252696278, 505392556, 1010785112, 2021570224]

約数ペア:

[(1, 2021570224), (2, 1010785112), (4, 505392556), (8, 252696278), (16, 126348139), (257, 7866032), (514, 3933016), (1028, 1966508), (2056, 983254), (4112, 491627)]