20951248

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18443}}^1$

素因数の和:18522

約数の個数: 20

約数和(自身を含む): 41167008

約数和(自身を除く): 20215760

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18443, 36886, 73772, 147544, 295088, 1309453, 2618906, 5237812, 10475624, 20951248]

約数ペア:

[(1, 20951248), (2, 10475624), (4, 5237812), (8, 2618906), (16, 1309453), (71, 295088), (142, 147544), (284, 73772), (568, 36886), (1136, 18443)]