16720278

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{28729}}^1$

素因数の和:28831

約数の個数: 16

約数和(自身を含む): 33786480

約数和(自身を除く): 17066202

約数列:

[1, 2, 3, 6, 97, 194, 291, 582, 28729, 57458, 86187, 172374, 2786713, 5573426, 8360139, 16720278]

約数ペア:

[(1, 16720278), (2, 8360139), (3, 5573426), (6, 2786713), (97, 172374), (194, 86187), (291, 57458), (582, 28729)]