20161519315

素因数分解:

$5^1\times 7^1\times {\mathrm{20483}}^1\times {\mathrm{28123}}^1$

素因数の和:48618

約数の個数: 16

約数和(自身を含む): 27652416768

約数和(自身を除く): 7490897453

約数列:

[1, 5, 7, 35, 20483, 28123, 102415, 140615, 143381, 196861, 716905, 984305, 576043409, 2880217045, 4032303863, 20161519315]

約数ペア:

[(1, 20161519315), (5, 4032303863), (7, 2880217045), (35, 576043409), (20483, 984305), (28123, 716905), (102415, 196861), (140615, 143381)]