20489222

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{4663}}^1$

素因数の和:4704

約数の個数: 16

約数和(自身を含む): 33300960

約数和(自身を除く): 12811738

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4394, 4663, 9326, 60619, 121238, 788047, 1576094, 10244611, 20489222]

約数ペア:

[(1, 20489222), (2, 10244611), (13, 1576094), (26, 788047), (169, 121238), (338, 60619), (2197, 9326), (4394, 4663)]