20169910

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1999}}^1$

素因数の和:3015

約数の個数: 16

約数和(自身を含む): 36360000

約数和(自身を除く): 16190090

約数列:

[1, 2, 5, 10, 1009, 1999, 2018, 3998, 5045, 9995, 10090, 19990, 2016991, 4033982, 10084955, 20169910]

約数ペア:

[(1, 20169910), (2, 10084955), (5, 4033982), (10, 2016991), (1009, 19990), (1999, 10090), (2018, 9995), (3998, 5045)]