20201511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6311}}^1$

素因数の和:6422

約数の個数: 16

約数和(自身を含む): 29691648

約数和(自身を除く): 9490137

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6311, 18933, 69421, 208263, 612167, 1836501, 6733837, 20201511]

約数ペア:

[(1, 20201511), (3, 6733837), (11, 1836501), (33, 612167), (97, 208263), (291, 69421), (1067, 18933), (3201, 6311)]