20038572

素因数分解:

$2^2\times 3^2\times {\mathrm{556627}}^1$

素因数の和:556637

約数の個数: 18

約数和(自身を含む): 50653148

約数和(自身を除く): 30614576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556627, 1113254, 1669881, 2226508, 3339762, 5009643, 6679524, 10019286, 20038572]

約数ペア:

[(1, 20038572), (2, 10019286), (3, 6679524), (4, 5009643), (6, 3339762), (9, 2226508), (12, 1669881), (18, 1113254), (36, 556627)]