1355597020

素因数分解:

$2^2\times 5^1\times {\mathrm{67779851}}^1$

素因数の和:67779860

約数の個数: 12

約数和(自身を含む): 2846753784

約数和(自身を除く): 1491156764

約数列:

[1, 2, 4, 5, 10, 20, 67779851, 135559702, 271119404, 338899255, 677798510, 1355597020]

約数ペア:

[(1, 1355597020), (2, 677798510), (4, 338899255), (5, 271119404), (10, 135559702), (20, 67779851)]