20710707

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 7378893

約数列:

[1, 3, 131, 151, 349, 393, 453, 1047, 19781, 45719, 52699, 59343, 137157, 158097, 6903569, 20710707]

約数ペア:

[(1, 20710707), (3, 6903569), (131, 158097), (151, 137157), (349, 59343), (393, 52699), (453, 45719), (1047, 19781)]