20001861

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{719}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 31674240

約数和(自身を除く): 11672379

約数列:

[1, 3, 9, 11, 33, 99, 281, 719, 843, 2157, 2529, 3091, 6471, 7909, 9273, 23727, 27819, 71181, 202039, 606117, 1818351, 2222429, 6667287, 20001861]

約数ペア:

[(1, 20001861), (3, 6667287), (9, 2222429), (11, 1818351), (33, 606117), (99, 202039), (281, 71181), (719, 27819), (843, 23727), (2157, 9273), (2529, 7909), (3091, 6471)]