20319478

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1071

約数の個数: 16

約数和(自身を含む): 31323600

約数和(自身を除く): 11004122

約数列:

[1, 2, 43, 86, 349, 677, 698, 1354, 15007, 29111, 30014, 58222, 236273, 472546, 10159739, 20319478]

約数ペア:

[(1, 20319478), (2, 10159739), (43, 472546), (86, 236273), (349, 58222), (677, 30014), (698, 29111), (1354, 15007)]