20225821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 25365888

約数和(自身を除く): 5140067

約数列:

[1, 7, 11, 77, 193, 1351, 1361, 2123, 9527, 14861, 14971, 104797, 262673, 1838711, 2889403, 20225821]

約数ペア:

[(1, 20225821), (7, 2889403), (11, 1838711), (77, 262673), (193, 104797), (1351, 14971), (1361, 14861), (2123, 9527)]