20675138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6761}}^1$

素因数の和:6913

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 13405342

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6761, 13522, 74371, 148742, 939779, 1879558, 10337569, 20675138]

約数ペア:

[(1, 20675138), (2, 10337569), (11, 1879558), (22, 939779), (139, 148742), (278, 74371), (1529, 13522), (3058, 6761)]