20138222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1951}}^1$

素因数の和:2363

約数の個数: 16

約数和(自身を含む): 32629632

約数和(自身を除く): 12491410

約数列:

[1, 2, 13, 26, 397, 794, 1951, 3902, 5161, 10322, 25363, 50726, 774547, 1549094, 10069111, 20138222]

約数ペア:

[(1, 20138222), (2, 10069111), (13, 1549094), (26, 774547), (397, 50726), (794, 25363), (1951, 10322), (3902, 5161)]