20818538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1531}}^1$

素因数の和:2069

約数の個数: 16

約数和(自身を含む): 33716256

約数和(自身を除く): 12897718

約数列:

[1, 2, 13, 26, 523, 1046, 1531, 3062, 6799, 13598, 19903, 39806, 800713, 1601426, 10409269, 20818538]

約数ペア:

[(1, 20818538), (2, 10409269), (13, 1601426), (26, 800713), (523, 39806), (1046, 19903), (1531, 13598), (3062, 6799)]