20011705

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8053}}^1$

素因数の和:8136

約数の個数: 16

約数和(自身を含む): 27834624

約数和(自身を除く): 7822919

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8053, 40265, 56371, 281855, 571763, 2858815, 4002341, 20011705]

約数ペア:

[(1, 20011705), (5, 4002341), (7, 2858815), (35, 571763), (71, 281855), (355, 56371), (497, 40265), (2485, 8053)]