20791088

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5437}}^1$

素因数の和:5684

約数の個数: 20

約数和(自身を含む): 40458720

約数和(自身を除く): 19667632

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5437, 10874, 21748, 43496, 86992, 1299443, 2598886, 5197772, 10395544, 20791088]

約数ペア:

[(1, 20791088), (2, 10395544), (4, 5197772), (8, 2598886), (16, 1299443), (239, 86992), (478, 43496), (956, 21748), (1912, 10874), (3824, 5437)]