20472670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23003}}^1$

素因数の和:23099

約数の個数: 16

約数和(自身を含む): 37266480

約数和(自身を除く): 16793810

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23003, 46006, 115015, 230030, 2047267, 4094534, 10236335, 20472670]

約数ペア:

[(1, 20472670), (2, 10236335), (5, 4094534), (10, 2047267), (89, 230030), (178, 115015), (445, 46006), (890, 23003)]