20557458

素因数分解:

$2^1\times 3^2\times {\mathrm{673}}^1\times {\mathrm{1697}}^1$

素因数の和:2378

約数の個数: 24

約数和(自身を含む): 44633628

約数和(自身を除く): 24076170

約数列:

[1, 2, 3, 6, 9, 18, 673, 1346, 1697, 2019, 3394, 4038, 5091, 6057, 10182, 12114, 15273, 30546, 1142081, 2284162, 3426243, 6852486, 10278729, 20557458]

約数ペア:

[(1, 20557458), (2, 10278729), (3, 6852486), (6, 3426243), (9, 2284162), (18, 1142081), (673, 30546), (1346, 15273), (1697, 12114), (2019, 10182), (3394, 6057), (4038, 5091)]