20210576

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17791}}^1$

素因数の和:17870

約数の個数: 20

約数和(自身を含む): 39711744

約数和(自身を除く): 19501168

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17791, 35582, 71164, 142328, 284656, 1263161, 2526322, 5052644, 10105288, 20210576]

約数ペア:

[(1, 20210576), (2, 10105288), (4, 5052644), (8, 2526322), (16, 1263161), (71, 284656), (142, 142328), (284, 71164), (568, 35582), (1136, 17791)]