20766963

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9601}}^1$

素因数の和:9714

約数の個数: 16

約数和(自身を含む): 31955456

約数和(自身を除く): 11188493

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9601, 28803, 67207, 201621, 988903, 2966709, 6922321, 20766963]

約数ペア:

[(1, 20766963), (3, 6922321), (7, 2966709), (21, 988903), (103, 201621), (309, 67207), (721, 28803), (2163, 9601)]