20161851728

素因数分解:

$2^4\times {\mathrm{1260115733}}^1$

素因数の和:1260115741

約数の個数: 10

約数和(自身を含む): 39063587754

約数和(自身を除く): 18901736026

約数列:

[1, 2, 4, 8, 16, 1260115733, 2520231466, 5040462932, 10080925864, 20161851728]

約数ペア:

[(1, 20161851728), (2, 10080925864), (4, 5040462932), (8, 2520231466), (16, 1260115733)]