20906842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5309}}^1$

素因数の和:5501

約数の個数: 16

約数和(自身を含む): 34408800

約数和(自身を除く): 13501958

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5309, 10618, 58399, 116798, 950311, 1900622, 10453421, 20906842]

約数ペア:

[(1, 20906842), (2, 10453421), (11, 1900622), (22, 950311), (179, 116798), (358, 58399), (1969, 10618), (3938, 5309)]