20854534

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:735

約数の個数: 16

約数和(自身を含む): 31775040

約数和(自身を除く): 10920506

約数列:

[1, 2, 109, 218, 271, 353, 542, 706, 29539, 38477, 59078, 76954, 95663, 191326, 10427267, 20854534]

約数ペア:

[(1, 20854534), (2, 10427267), (109, 191326), (218, 95663), (271, 76954), (353, 59078), (542, 38477), (706, 29539)]