20512991534

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4772683}}^1$

素因数の和:4772999

約数の個数: 16

約数和(自身を含む): 35279680128

約数和(自身を除く): 14766688594

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 4772683, 9545366, 33408781, 66817562, 1465213681, 2930427362, 10256495767, 20512991534]

約数ペア:

[(1, 20512991534), (2, 10256495767), (7, 2930427362), (14, 1465213681), (307, 66817562), (614, 33408781), (2149, 9545366), (4298, 4772683)]