20107966581

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3400637}}^1$

素因数の和:3400722

約数の個数: 20

約数和(自身を含む): 30449312652

約数和(自身を除く): 10341346071

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 3400637, 10201911, 30605733, 91817199, 248246501, 275451597, 744739503, 2234218509, 6702655527, 20107966581]

約数ペア:

[(1, 20107966581), (3, 6702655527), (9, 2234218509), (27, 744739503), (73, 275451597), (81, 248246501), (219, 91817199), (657, 30605733), (1971, 10201911), (5913, 3400637)]