20149730

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1997}}^1$

素因数の和:3013

約数の個数: 16

約数和(自身を含む): 36323640

約数和(自身を除く): 16173910

約数列:

[1, 2, 5, 10, 1009, 1997, 2018, 3994, 5045, 9985, 10090, 19970, 2014973, 4029946, 10074865, 20149730]

約数ペア:

[(1, 20149730), (2, 10074865), (5, 4029946), (10, 2014973), (1009, 19970), (1997, 10090), (2018, 9985), (3994, 5045)]