20638026

素因数分解:

$2^1\times 3^2\times {\mathrm{1049}}^1\times {\mathrm{1093}}^1$

素因数の和:2150

約数の個数: 24

約数和(自身を含む): 44799300

約数和(自身を除く): 24161274

約数列:

[1, 2, 3, 6, 9, 18, 1049, 1093, 2098, 2186, 3147, 3279, 6294, 6558, 9441, 9837, 18882, 19674, 1146557, 2293114, 3439671, 6879342, 10319013, 20638026]

約数ペア:

[(1, 20638026), (2, 10319013), (3, 6879342), (6, 3439671), (9, 2293114), (18, 1146557), (1049, 19674), (1093, 18882), (2098, 9837), (2186, 9441), (3147, 6558), (3279, 6294)]