22252820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15671}}^1$

素因数の和:15751

約数の個数: 24

約数和(自身を含む): 47392128

約数和(自身を除く): 25139308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15671, 31342, 62684, 78355, 156710, 313420, 1112641, 2225282, 4450564, 5563205, 11126410, 22252820]

約数ペア:

[(1, 22252820), (2, 11126410), (4, 5563205), (5, 4450564), (10, 2225282), (20, 1112641), (71, 313420), (142, 156710), (284, 78355), (355, 62684), (710, 31342), (1420, 15671)]