20905836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248879}}^1$

素因数の和:248893

約数の個数: 24

約数和(自身を含む): 55749120

約数和(自身を除く): 34843284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248879, 497758, 746637, 995516, 1493274, 1742153, 2986548, 3484306, 5226459, 6968612, 10452918, 20905836]

約数ペア:

[(1, 20905836), (2, 10452918), (3, 6968612), (4, 5226459), (6, 3484306), (7, 2986548), (12, 1742153), (14, 1493274), (21, 995516), (28, 746637), (42, 497758), (84, 248879)]