20404186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2203}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 33483168

約数和(自身を除く): 13078982

約数列:

[1, 2, 11, 22, 421, 842, 2203, 4406, 4631, 9262, 24233, 48466, 927463, 1854926, 10202093, 20404186]

約数ペア:

[(1, 20404186), (2, 10202093), (11, 1854926), (22, 927463), (421, 48466), (842, 24233), (2203, 9262), (4406, 4631)]