20149487901

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{797021}}^1$

素因数の和:797133

約数の個数: 18

約数和(自身を含む): 29664361818

約数和(自身を除く): 9514873917

約数列:

[1, 3, 9, 53, 159, 477, 2809, 8427, 25281, 797021, 2391063, 7173189, 42242113, 126726339, 380179017, 2238831989, 6716495967, 20149487901]

約数ペア:

[(1, 20149487901), (3, 6716495967), (9, 2238831989), (53, 380179017), (159, 126726339), (477, 42242113), (2809, 7173189), (8427, 2391063), (25281, 797021)]