20646828

素因数分解:

$2^2\times 3^2\times {\mathrm{573523}}^1$

素因数の和:573533

約数の個数: 18

約数和(自身を含む): 52190684

約数和(自身を除く): 31543856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 573523, 1147046, 1720569, 2294092, 3441138, 5161707, 6882276, 10323414, 20646828]

約数ペア:

[(1, 20646828), (2, 10323414), (3, 6882276), (4, 5161707), (6, 3441138), (9, 2294092), (12, 1720569), (18, 1147046), (36, 573523)]