20506836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244129}}^1$

素因数の和:244143

約数の個数: 24

約数和(自身を含む): 54685120

約数和(自身を除く): 34178284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244129, 488258, 732387, 976516, 1464774, 1708903, 2929548, 3417806, 5126709, 6835612, 10253418, 20506836]

約数ペア:

[(1, 20506836), (2, 10253418), (3, 6835612), (4, 5126709), (6, 3417806), (7, 2929548), (12, 1708903), (14, 1464774), (21, 976516), (28, 732387), (42, 488258), (84, 244129)]