20443906

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 36640512

約数和(自身を除く): 16196606

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 647, 854, 1294, 2257, 4514, 4529, 9058, 15799, 23939, 31598, 39467, 47878, 78934, 167573, 276269, 335146, 552538, 1460279, 2920558, 10221953, 20443906]

約数ペア:

[(1, 20443906), (2, 10221953), (7, 2920558), (14, 1460279), (37, 552538), (61, 335146), (74, 276269), (122, 167573), (259, 78934), (427, 47878), (518, 39467), (647, 31598), (854, 23939), (1294, 15799), (2257, 9058), (4514, 4529)]