20887782

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 42851328

約数和(自身を除く): 21963546

約数列:

[1, 2, 3, 6, 73, 103, 146, 206, 219, 309, 438, 463, 618, 926, 1389, 2778, 7519, 15038, 22557, 33799, 45114, 47689, 67598, 95378, 101397, 143067, 202794, 286134, 3481297, 6962594, 10443891, 20887782]

約数ペア:

[(1, 20887782), (2, 10443891), (3, 6962594), (6, 3481297), (73, 286134), (103, 202794), (146, 143067), (206, 101397), (219, 95378), (309, 67598), (438, 47689), (463, 45114), (618, 33799), (926, 22557), (1389, 15038), (2778, 7519)]