20736568

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48907}}^1$

素因数の和:48966

約数の個数: 16

約数和(自身を含む): 39615480

約数和(自身を除く): 18878912

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48907, 97814, 195628, 391256, 2592071, 5184142, 10368284, 20736568]

約数ペア:

[(1, 20736568), (2, 10368284), (4, 5184142), (8, 2592071), (53, 391256), (106, 195628), (212, 97814), (424, 48907)]