20521306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2029}}^1$

素因数の和:2433

約数の個数: 16

約数和(自身を含む): 33251400

約数和(自身を除く): 12730094

約数列:

[1, 2, 13, 26, 389, 778, 2029, 4058, 5057, 10114, 26377, 52754, 789281, 1578562, 10260653, 20521306]

約数ペア:

[(1, 20521306), (2, 10260653), (13, 1578562), (26, 789281), (389, 52754), (778, 26377), (2029, 10114), (4058, 5057)]