20477798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2348

約数の個数: 24

約数和(自身を含む): 34690656

約数和(自身を除く): 14212858

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2287, 4477, 4574, 8954, 25157, 50314, 84619, 169238, 276727, 553454, 930809, 1861618, 10238899, 20477798]

約数ペア:

[(1, 20477798), (2, 10238899), (11, 1861618), (22, 930809), (37, 553454), (74, 276727), (121, 169238), (242, 84619), (407, 50314), (814, 25157), (2287, 8954), (4477, 4574)]