20928877774

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10754819}}^1$

素因数の和:10754967

約数の個数: 16

約数和(自身を含む): 36136195200

約数和(自身を除く): 15207317426

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10754819, 21509638, 75283733, 150567466, 1494919841, 2989839682, 10464438887, 20928877774]

約数ペア:

[(1, 20928877774), (2, 10464438887), (7, 2989839682), (14, 1494919841), (139, 150567466), (278, 75283733), (973, 21509638), (1946, 10754819)]