20975959

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 1377449

約数列:

[1, 43, 47, 97, 107, 2021, 4171, 4559, 4601, 5029, 10379, 196037, 216247, 446297, 487813, 20975959]

約数ペア:

[(1, 20975959), (43, 487813), (47, 446297), (97, 216247), (107, 196037), (2021, 10379), (4171, 5029), (4559, 4601)]