20078080868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{161920007}}^1$

素因数の和:161920042

約数の個数: 12

約数和(自身を含む): 36270081792

約数和(自身を除く): 16192000924

約数列:

[1, 2, 4, 31, 62, 124, 161920007, 323840014, 647680028, 5019520217, 10039040434, 20078080868]

約数ペア:

[(1, 20078080868), (2, 10039040434), (4, 5019520217), (31, 647680028), (62, 323840014), (124, 161920007)]