12920704084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{78784781}}^1$

素因数の和:78784826

約数の個数: 12

約数和(自身を含む): 23162725908

約数和(自身を除く): 10242021824

約数列:

[1, 2, 4, 41, 82, 164, 78784781, 157569562, 315139124, 3230176021, 6460352042, 12920704084]

約数ペア:

[(1, 12920704084), (2, 6460352042), (4, 3230176021), (41, 315139124), (82, 157569562), (164, 78784781)]