20028045

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2083}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 32110272

約数和(自身を除く): 12082227

約数列:

[1, 3, 5, 15, 641, 1923, 2083, 3205, 6249, 9615, 10415, 31245, 1335203, 4005609, 6676015, 20028045]

約数ペア:

[(1, 20028045), (3, 6676015), (5, 4005609), (15, 1335203), (641, 31245), (1923, 10415), (2083, 9615), (3205, 6249)]