20687564954

素因数分解:

$2^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2961289}}^1$

素因数の和:2961797

約数の個数: 16

約数和(自身を含む): 35535480000

約数和(自身を除く): 14847915046

約数列:

[1, 2, 7, 14, 499, 998, 3493, 6986, 2961289, 5922578, 20729023, 41458046, 1477683211, 2955366422, 10343782477, 20687564954]

約数ペア:

[(1, 20687564954), (2, 10343782477), (7, 2955366422), (14, 1477683211), (499, 41458046), (998, 20729023), (3493, 5922578), (6986, 2961289)]