12226420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1459}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 25754400

約数和(自身を除く): 13527980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1459, 1676, 2095, 2918, 4190, 5836, 7295, 8380, 14590, 29180, 611321, 1222642, 2445284, 3056605, 6113210, 12226420]

約数ペア:

[(1, 12226420), (2, 6113210), (4, 3056605), (5, 2445284), (10, 1222642), (20, 611321), (419, 29180), (838, 14590), (1459, 8380), (1676, 7295), (2095, 5836), (2918, 4190)]