20219685

素因数分解:

$3^1\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1451}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 32408640

約数和(自身を除く): 12188955

約数列:

[1, 3, 5, 15, 929, 1451, 2787, 4353, 4645, 7255, 13935, 21765, 1347979, 4043937, 6739895, 20219685]

約数ペア:

[(1, 20219685), (3, 6739895), (5, 4043937), (15, 1347979), (929, 21765), (1451, 13935), (2787, 7255), (4353, 4645)]