20181071727

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20201273}}^1$

素因数の和:20201319

約数の個数: 16

約数和(自身を含む): 30705936480

約数和(自身を除く): 10524864753

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20201273, 60603819, 181811457, 545434371, 747447101, 2242341303, 6727023909, 20181071727]

約数ペア:

[(1, 20181071727), (3, 6727023909), (9, 2242341303), (27, 747447101), (37, 545434371), (111, 181811457), (333, 60603819), (999, 20201273)]