20975086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9829}}^1$

素因数の和:9939

約数の個数: 16

約数和(自身を含む): 34680240

約数和(自身を除く): 13705154

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9829, 19658, 108119, 216238, 953413, 1906826, 10487543, 20975086]

約数ペア:

[(1, 20975086), (2, 10487543), (11, 1906826), (22, 953413), (97, 216238), (194, 108119), (1067, 19658), (2134, 9829)]