20450485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5237}}^1$

素因数の和:5324

約数の個数: 16

約数和(自身を含む): 27153792

約数和(自身を除く): 6703307

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5237, 26185, 57607, 288035, 371827, 1859135, 4090097, 20450485]

約数ペア:

[(1, 20450485), (5, 4090097), (11, 1859135), (55, 371827), (71, 288035), (355, 57607), (781, 26185), (3905, 5237)]