20436393

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 7283607

約数列:

[1, 3, 131, 149, 349, 393, 447, 1047, 19519, 45719, 52001, 58557, 137157, 156003, 6812131, 20436393]

約数ペア:

[(1, 20436393), (3, 6812131), (131, 156003), (149, 137157), (349, 58557), (393, 52001), (447, 45719), (1047, 19519)]