66720340

素因数分解:

$2^2\times 5^1\times {\mathrm{3336017}}^1$

素因数の和:3336026

約数の個数: 12

約数和(自身を含む): 140112756

約数和(自身を除く): 73392416

約数列:

[1, 2, 4, 5, 10, 20, 3336017, 6672034, 13344068, 16680085, 33360170, 66720340]

約数ペア:

[(1, 66720340), (2, 33360170), (4, 16680085), (5, 13344068), (10, 6672034), (20, 3336017)]