20137017

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{881}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 28365120

約数和(自身を除く): 8228103

約数列:

[1, 3, 19, 57, 401, 881, 1203, 2643, 7619, 16739, 22857, 50217, 353281, 1059843, 6712339, 20137017]

約数ペア:

[(1, 20137017), (3, 6712339), (19, 1059843), (57, 353281), (401, 50217), (881, 22857), (1203, 16739), (2643, 7619)]