137220220

素因数分解:

$2^2\times 5^1\times {\mathrm{6861011}}^1$

素因数の和:6861020

約数の個数: 12

約数和(自身を含む): 288162504

約数和(自身を除く): 150942284

約数列:

[1, 2, 4, 5, 10, 20, 6861011, 13722022, 27444044, 34305055, 68610110, 137220220]

約数ペア:

[(1, 137220220), (2, 68610110), (4, 34305055), (5, 27444044), (10, 13722022), (20, 6861011)]