12181902020

素因数分解:

$2^2\times 5^1\times {\mathrm{609095101}}^1$

素因数の和:609095110

約数の個数: 12

約数和(自身を含む): 25581994284

約数和(自身を除く): 13400092264

約数列:

[1, 2, 4, 5, 10, 20, 609095101, 1218190202, 2436380404, 3045475505, 6090951010, 12181902020]

約数ペア:

[(1, 12181902020), (2, 6090951010), (4, 3045475505), (5, 2436380404), (10, 1218190202), (20, 609095101)]