22887820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10499}}^1$

素因数の和:10617

約数の個数: 24

約数和(自身を含む): 48510000

約数和(自身を除く): 25622180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10499, 20998, 41996, 52495, 104990, 209980, 1144391, 2288782, 4577564, 5721955, 11443910, 22887820]

約数ペア:

[(1, 22887820), (2, 11443910), (4, 5721955), (5, 4577564), (10, 2288782), (20, 1144391), (109, 209980), (218, 104990), (436, 52495), (545, 41996), (1090, 20998), (2180, 10499)]