20904324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248861}}^1$

素因数の和:248875

約数の個数: 24

約数和(自身を含む): 55745088

約数和(自身を除く): 34840764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248861, 497722, 746583, 995444, 1493166, 1742027, 2986332, 3484054, 5226081, 6968108, 10452162, 20904324]

約数ペア:

[(1, 20904324), (2, 10452162), (3, 6968108), (4, 5226081), (6, 3484054), (7, 2986332), (12, 1742027), (14, 1493166), (21, 995444), (28, 746583), (42, 497722), (84, 248861)]