20729842

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5717}}^1$

素因数の和:5770

約数の個数: 24

約数和(自身を含む): 37155564

約数和(自身を除く): 16425722

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5717, 11434, 40019, 80038, 211529, 280133, 423058, 560266, 1480703, 2961406, 10364921, 20729842]

約数ペア:

[(1, 20729842), (2, 10364921), (7, 2961406), (14, 1480703), (37, 560266), (49, 423058), (74, 280133), (98, 211529), (259, 80038), (518, 40019), (1813, 11434), (3626, 5717)]