67742020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{10891}}^1$

素因数の和:11211

約数の個数: 24

約数和(自身を含む): 142728768

約数和(自身を除く): 74986748

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 10891, 21782, 43564, 54455, 108910, 217820, 3387101, 6774202, 13548404, 16935505, 33871010, 67742020]

約数ペア:

[(1, 67742020), (2, 33871010), (4, 16935505), (5, 13548404), (10, 6774202), (20, 3387101), (311, 217820), (622, 108910), (1244, 54455), (1555, 43564), (3110, 21782), (6220, 10891)]