20512385170

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9198379}}^1$

素因数の和:9198609

約数の個数: 16

約数和(自身を含む): 37087868160

約数和(自身を除く): 16575482990

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9198379, 18396758, 45991895, 91983790, 2051238517, 4102477034, 10256192585, 20512385170]

約数ペア:

[(1, 20512385170), (2, 10256192585), (5, 4102477034), (10, 2051238517), (223, 91983790), (446, 45991895), (1115, 18396758), (2230, 9198379)]