20512136160020

素因数分解:

$2^2\times 5^1\times {\mathrm{1025606808001}}^1$

素因数の和:1025606808010

約数の個数: 12

約数和(自身を含む): 43075485936084

約数和(自身を除く): 22563349776064

約数列:

[1, 2, 4, 5, 10, 20, 1025606808001, 2051213616002, 4102427232004, 5128034040005, 10256068080010, 20512136160020]

約数ペア:

[(1, 20512136160020), (2, 10256068080010), (4, 5128034040005), (5, 4102427232004), (10, 2051213616002), (20, 1025606808001)]