20503834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25439}}^1$

素因数の和:25485

約数の個数: 16

約数和(自身を含む): 34191360

約数和(自身を除く): 13687526

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25439, 50878, 330707, 661414, 788609, 1577218, 10251917, 20503834]

約数ペア:

[(1, 20503834), (2, 10251917), (13, 1577218), (26, 788609), (31, 661414), (62, 330707), (403, 50878), (806, 25439)]