20685026

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 31562784

約数和(自身を除く): 10877758

約数列:

[1, 2, 107, 163, 214, 326, 593, 1186, 17441, 34882, 63451, 96659, 126902, 193318, 10342513, 20685026]

約数ペア:

[(1, 20685026), (2, 10342513), (107, 193318), (163, 126902), (214, 96659), (326, 63451), (593, 34882), (1186, 17441)]