20003128

素因数分解:

$2^3\times {\mathrm{1069}}^1\times {\mathrm{2339}}^1$

素因数の和:3414

約数の個数: 16

約数和(自身を含む): 37557000

約数和(自身を除く): 17553872

約数列:

[1, 2, 4, 8, 1069, 2138, 2339, 4276, 4678, 8552, 9356, 18712, 2500391, 5000782, 10001564, 20003128]

約数ペア:

[(1, 20003128), (2, 10001564), (4, 5000782), (8, 2500391), (1069, 18712), (2138, 9356), (2339, 8552), (4276, 4678)]