20176985068

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{25605311}}^1$

素因数の和:25605512

約数の個数: 12

約数和(自身を含む): 35488962432

約数和(自身を除く): 15311977364

約数列:

[1, 2, 4, 197, 394, 788, 25605311, 51210622, 102421244, 5044246267, 10088492534, 20176985068]

約数ペア:

[(1, 20176985068), (2, 10088492534), (4, 5044246267), (197, 102421244), (394, 51210622), (788, 25605311)]