20893605

素因数分解:

$3^1\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1303}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 33486720

約数和(自身を除く): 12593115

約数列:

[1, 3, 5, 15, 1069, 1303, 3207, 3909, 5345, 6515, 16035, 19545, 1392907, 4178721, 6964535, 20893605]

約数ペア:

[(1, 20893605), (3, 6964535), (5, 4178721), (15, 1392907), (1069, 19545), (1303, 16035), (3207, 6515), (3909, 5345)]