20161383856

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29304337}}^1$

素因数の和:29304388

約数の個数: 20

約数和(自身を含む): 39971117032

約数和(自身を除く): 19809733176

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29304337, 58608674, 117217348, 234434696, 468869392, 1260086491, 2520172982, 5040345964, 10080691928, 20161383856]

約数ペア:

[(1, 20161383856), (2, 10080691928), (4, 5040345964), (8, 2520172982), (16, 1260086491), (43, 468869392), (86, 234434696), (172, 117217348), (344, 58608674), (688, 29304337)]