20402086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1223}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 11911514

約数列:

[1, 2, 19, 38, 439, 878, 1223, 2446, 8341, 16682, 23237, 46474, 536897, 1073794, 10201043, 20402086]

約数ペア:

[(1, 20402086), (2, 10201043), (19, 1073794), (38, 536897), (439, 46474), (878, 23237), (1223, 16682), (2446, 8341)]