20210812

素因数分解:

$2^2\times {\mathrm{523}}^1\times {\mathrm{9661}}^1$

素因数の和:10188

約数の個数: 12

約数和(自身を含む): 35440216

約数和(自身を除く): 15229404

約数列:

[1, 2, 4, 523, 1046, 2092, 9661, 19322, 38644, 5052703, 10105406, 20210812]

約数ペア:

[(1, 20210812), (2, 10105406), (4, 5052703), (523, 38644), (1046, 19322), (2092, 9661)]