20906812

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{58727}}^1$

素因数の和:58820

約数の個数: 12

約数和(自身を含む): 36998640

約数和(自身を除く): 16091828

約数列:

[1, 2, 4, 89, 178, 356, 58727, 117454, 234908, 5226703, 10453406, 20906812]

約数ペア:

[(1, 20906812), (2, 10453406), (4, 5226703), (89, 234908), (178, 117454), (356, 58727)]