20438771795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6690269}}^1$

素因数の和:6690334

約数の個数: 16

約数和(自身を含む): 26975168640

約数和(自身を除く): 6536396845

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6690269, 33451345, 86973497, 314442643, 434867485, 1572213215, 4087754359, 20438771795]

約数ペア:

[(1, 20438771795), (5, 4087754359), (13, 1572213215), (47, 434867485), (65, 314442643), (235, 86973497), (611, 33451345), (3055, 6690269)]