20468945

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8237}}^1$

素因数の和:8320

約数の個数: 16

約数和(自身を含む): 28470528

約数和(自身を除く): 8001583

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8237, 41185, 57659, 288295, 584827, 2924135, 4093789, 20468945]

約数ペア:

[(1, 20468945), (5, 4093789), (7, 2924135), (35, 584827), (71, 288295), (355, 57659), (497, 41185), (2485, 8237)]