20337185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21751}}^1$

素因数の和:21784

約数の個数: 16

約数和(自身を含む): 28190592

約数和(自身を除く): 7853407

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21751, 108755, 239261, 369767, 1196305, 1848835, 4067437, 20337185]

約数ペア:

[(1, 20337185), (5, 4067437), (11, 1848835), (17, 1196305), (55, 369767), (85, 239261), (187, 108755), (935, 21751)]