20170422741

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9325207}}^1$

素因数の和:9325320

約数の個数: 16

約数和(自身を含む): 31034292224

約数和(自身を除く): 10863869483

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9325207, 27975621, 65276449, 195829347, 960496321, 2881488963, 6723474247, 20170422741]

約数ペア:

[(1, 20170422741), (3, 6723474247), (7, 2881488963), (21, 960496321), (103, 195829347), (309, 65276449), (721, 27975621), (2163, 9325207)]