20906508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248887}}^1$

素因数の和:248901

約数の個数: 24

約数和(自身を含む): 55750912

約数和(自身を除く): 34844404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248887, 497774, 746661, 995548, 1493322, 1742209, 2986644, 3484418, 5226627, 6968836, 10453254, 20906508]

約数ペア:

[(1, 20906508), (2, 10453254), (3, 6968836), (4, 5226627), (6, 3484418), (7, 2986644), (12, 1742209), (14, 1493322), (21, 995548), (28, 746661), (42, 497774), (84, 248887)]