20935768

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2161}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 45142560

約数和(自身を除く): 24206792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2161, 2422, 4322, 4844, 8644, 9688, 15127, 17288, 30254, 60508, 121016, 373853, 747706, 1495412, 2616971, 2990824, 5233942, 10467884, 20935768]

約数ペア:

[(1, 20935768), (2, 10467884), (4, 5233942), (7, 2990824), (8, 2616971), (14, 1495412), (28, 747706), (56, 373853), (173, 121016), (346, 60508), (692, 30254), (1211, 17288), (1384, 15127), (2161, 9688), (2422, 8644), (4322, 4844)]