20518794

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30809}}^1$

素因数の和:30854

約数の個数: 24

約数和(自身を含む): 45660420

約数和(自身を除く): 25141626

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 30809, 61618, 92427, 184854, 277281, 554562, 1139933, 2279866, 3419799, 6839598, 10259397, 20518794]

約数ペア:

[(1, 20518794), (2, 10259397), (3, 6839598), (6, 3419799), (9, 2279866), (18, 1139933), (37, 554562), (74, 277281), (111, 184854), (222, 92427), (333, 61618), (666, 30809)]