1720223620

素因数分解:

$2^2\times 5^1\times {\mathrm{86011181}}^1$

素因数の和:86011190

約数の個数: 12

約数和(自身を含む): 3612469644

約数和(自身を除く): 1892246024

約数列:

[1, 2, 4, 5, 10, 20, 86011181, 172022362, 344044724, 430055905, 860111810, 1720223620]

約数ペア:

[(1, 1720223620), (2, 860111810), (4, 430055905), (5, 344044724), (10, 172022362), (20, 86011181)]