20199442754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1262623}}^1$

素因数の和:1263065

約数の個数: 16

約数和(自身を含む): 31969639680

約数和(自身を除く): 11770196926

約数列:

[1, 2, 19, 38, 421, 842, 7999, 15998, 1262623, 2525246, 23989837, 47979674, 531564283, 1063128566, 10099721377, 20199442754]

約数ペア:

[(1, 20199442754), (2, 10099721377), (19, 1063128566), (38, 531564283), (421, 47979674), (842, 23989837), (7999, 2525246), (15998, 1262623)]