20245295

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8147}}^1$

素因数の和:8230

約数の個数: 16

約数和(自身を含む): 28159488

約数和(自身を除く): 7914193

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8147, 40735, 57029, 285145, 578437, 2892185, 4049059, 20245295]

約数ペア:

[(1, 20245295), (5, 4049059), (7, 2892185), (35, 578437), (71, 285145), (355, 57029), (497, 40735), (2485, 8147)]