20293072888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3247931}}^1$

素因数の和:3248019

約数の個数: 32

約数和(自身を含む): 42093198720

約数和(自身を除く): 21800125832

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 3247931, 6495862, 12991724, 25983448, 35727241, 71454482, 142908964, 230603101, 285817928, 461206202, 922412404, 1844824808, 2536634111, 5073268222, 10146536444, 20293072888]

約数ペア:

[(1, 20293072888), (2, 10146536444), (4, 5073268222), (8, 2536634111), (11, 1844824808), (22, 922412404), (44, 461206202), (71, 285817928), (88, 230603101), (142, 142908964), (284, 71454482), (568, 35727241), (781, 25983448), (1562, 12991724), (3124, 6495862), (6248, 3247931)]