20085190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28289}}^1$

素因数の和:28367

約数の個数: 16

約数和(自身を含む): 36663840

約数和(自身を除く): 16578650

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28289, 56578, 141445, 282890, 2008519, 4017038, 10042595, 20085190]

約数ペア:

[(1, 20085190), (2, 10042595), (5, 4017038), (10, 2008519), (71, 282890), (142, 141445), (355, 56578), (710, 28289)]