11904220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1381}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 25075008

約数和(自身を除く): 13170788

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1381, 1724, 2155, 2762, 4310, 5524, 6905, 8620, 13810, 27620, 595211, 1190422, 2380844, 2976055, 5952110, 11904220]

約数ペア:

[(1, 11904220), (2, 5952110), (4, 2976055), (5, 2380844), (10, 1190422), (20, 595211), (431, 27620), (862, 13810), (1381, 8620), (1724, 6905), (2155, 5524), (2762, 4310)]