20207019

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1913}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 10661973

約数列:

[1, 3, 7, 21, 503, 1509, 1913, 3521, 5739, 10563, 13391, 40173, 962239, 2886717, 6735673, 20207019]

約数ペア:

[(1, 20207019), (3, 6735673), (7, 2886717), (21, 962239), (503, 40173), (1509, 13391), (1913, 10563), (3521, 5739)]