20561454

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3673}}^1$

素因数の和:3992

約数の個数: 24

約数和(自身を含む): 44705232

約数和(自身を除く): 24143778

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3673, 5598, 7346, 11019, 22038, 33057, 66114, 1142303, 2284606, 3426909, 6853818, 10280727, 20561454]

約数ペア:

[(1, 20561454), (2, 10280727), (3, 6853818), (6, 3426909), (9, 2284606), (18, 1142303), (311, 66114), (622, 33057), (933, 22038), (1866, 11019), (2799, 7346), (3673, 5598)]