20998683

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6323}}^1$

素因数の和:6376

約数の個数: 20

約数和(自身を含む): 32138568

約数和(自身を除く): 11139885

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6323, 18969, 56907, 170721, 259243, 512163, 777729, 2333187, 6999561, 20998683]

約数ペア:

[(1, 20998683), (3, 6999561), (9, 2333187), (27, 777729), (41, 512163), (81, 259243), (123, 170721), (369, 56907), (1107, 18969), (3321, 6323)]