20856006399

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{26371}}^1$

素因数の和:26571

約数の個数: 32

約数和(自身を含む): 29165322240

約数和(自身を除く): 8309315841

約数列:

[1, 3, 47, 71, 79, 141, 213, 237, 3337, 3713, 5609, 10011, 11139, 16827, 26371, 79113, 263623, 790869, 1239437, 1872341, 2083309, 3718311, 5617023, 6249927, 88000027, 97915523, 147914939, 264000081, 293746569, 443744817, 6952002133, 20856006399]

約数ペア:

[(1, 20856006399), (3, 6952002133), (47, 443744817), (71, 293746569), (79, 264000081), (141, 147914939), (213, 97915523), (237, 88000027), (3337, 6249927), (3713, 5617023), (5609, 3718311), (10011, 2083309), (11139, 1872341), (16827, 1239437), (26371, 790869), (79113, 263623)]