20809929

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4253}}^1$

素因数の和:4496

約数の個数: 16

約数和(自身を含む): 31853952

約数和(自身を除く): 11044023

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4253, 4893, 12759, 29771, 89313, 990949, 2972847, 6936643, 20809929]

約数ペア:

[(1, 20809929), (3, 6936643), (7, 2972847), (21, 990949), (233, 89313), (699, 29771), (1631, 12759), (4253, 4893)]