20208730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28463}}^1$

素因数の和:28541

約数の個数: 16

約数和(自身を含む): 36889344

約数和(自身を除く): 16680614

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28463, 56926, 142315, 284630, 2020873, 4041746, 10104365, 20208730]

約数ペア:

[(1, 20208730), (2, 10104365), (5, 4041746), (10, 2020873), (71, 284630), (142, 142315), (355, 56926), (710, 28463)]