20346955

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{937}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 25258464

約数和(自身を除く): 4911509

約数列:

[1, 5, 43, 101, 215, 505, 937, 4343, 4685, 21715, 40291, 94637, 201455, 473185, 4069391, 20346955]

約数ペア:

[(1, 20346955), (5, 4069391), (43, 473185), (101, 201455), (215, 94637), (505, 40291), (937, 21715), (4343, 4685)]