20172050

素因数分解:

$2^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{919}}^1$

素因数の和:1370

約数の個数: 24

約数和(自身を含む): 37646400

約数和(自身を除く): 17474350

約数列:

[1, 2, 5, 10, 25, 50, 439, 878, 919, 1838, 2195, 4390, 4595, 9190, 10975, 21950, 22975, 45950, 403441, 806882, 2017205, 4034410, 10086025, 20172050]

約数ペア:

[(1, 20172050), (2, 10086025), (5, 4034410), (10, 2017205), (25, 806882), (50, 403441), (439, 45950), (878, 22975), (919, 21950), (1838, 10975), (2195, 9190), (4390, 4595)]