20879416

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5711}}^1$

素因数の和:6174

約数の個数: 16

約数和(自身を含む): 39241440

約数和(自身を除く): 18362024

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5711, 11422, 22844, 45688, 2609927, 5219854, 10439708, 20879416]

約数ペア:

[(1, 20879416), (2, 10439708), (4, 5219854), (8, 2609927), (457, 45688), (914, 22844), (1828, 11422), (3656, 5711)]