20217380156

素因数分解:

$2^2\times {\mathrm{1439}}^1\times {\mathrm{3512401}}^1$

素因数の和:3513844

約数の個数: 12

約数和(自身を含む): 35405012160

約数和(自身を除く): 15187632004

約数列:

[1, 2, 4, 1439, 2878, 5756, 3512401, 7024802, 14049604, 5054345039, 10108690078, 20217380156]

約数ペア:

[(1, 20217380156), (2, 10108690078), (4, 5054345039), (1439, 14049604), (2878, 7024802), (5756, 3512401)]