20750007

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1427}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 28651392

約数和(自身を除く): 7901385

約数列:

[1, 3, 37, 111, 131, 393, 1427, 4281, 4847, 14541, 52799, 158397, 186937, 560811, 6916669, 20750007]

約数ペア:

[(1, 20750007), (3, 6916669), (37, 560811), (111, 186937), (131, 158397), (393, 52799), (1427, 14541), (4281, 4847)]