20706791

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2654

約数の個数: 16

約数和(自身を含む): 25098240

約数和(自身を除く): 4391449

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2579, 8029, 18053, 79949, 95423, 559643, 667961, 2958113, 20706791]

約数ペア:

[(1, 20706791), (7, 2958113), (31, 667961), (37, 559643), (217, 95423), (259, 79949), (1147, 18053), (2579, 8029)]