1812602020

素因数分解:

$2^2\times 5^1\times {\mathrm{90630101}}^1$

素因数の和:90630110

約数の個数: 12

約数和(自身を含む): 3806464284

約数和(自身を除く): 1993862264

約数列:

[1, 2, 4, 5, 10, 20, 90630101, 181260202, 362520404, 453150505, 906301010, 1812602020]

約数ペア:

[(1, 1812602020), (2, 906301010), (4, 453150505), (5, 362520404), (10, 181260202), (20, 90630101)]