20215387611

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{334897}}^1$

素因数の和:335275

約数の個数: 24

約数和(自身を含む): 30824011920

約数和(自身を除く): 10608624309

約数列:

[1, 3, 9, 19, 57, 171, 353, 1059, 3177, 6707, 20121, 60363, 334897, 1004691, 3014073, 6363043, 19089129, 57267387, 118218641, 354655923, 1063967769, 2246154179, 6738462537, 20215387611]

約数ペア:

[(1, 20215387611), (3, 6738462537), (9, 2246154179), (19, 1063967769), (57, 354655923), (171, 118218641), (353, 57267387), (1059, 19089129), (3177, 6363043), (6707, 3014073), (20121, 1004691), (60363, 334897)]