20157788161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{48407}}^1$

素因数の和:48565

約数の個数: 32

約数和(自身を含む): 25280593920

約数和(自身を除く): 5122805759

約数列:

[1, 7, 19, 31, 101, 133, 217, 589, 707, 1919, 3131, 4123, 13433, 21917, 48407, 59489, 338849, 416423, 919733, 1500617, 4889107, 6438131, 10504319, 28511723, 34223749, 92893033, 151562317, 199582061, 650251231, 1060936219, 2879684023, 20157788161]

約数ペア:

[(1, 20157788161), (7, 2879684023), (19, 1060936219), (31, 650251231), (101, 199582061), (133, 151562317), (217, 92893033), (589, 34223749), (707, 28511723), (1919, 10504319), (3131, 6438131), (4123, 4889107), (13433, 1500617), (21917, 919733), (48407, 416423), (59489, 338849)]