20941774

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 24

約数和(自身を含む): 36799920

約数和(自身を除く): 15858146

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 809, 1618, 1849, 3698, 5663, 11326, 12943, 25886, 34787, 69574, 243509, 487018, 1495841, 2991682, 10470887, 20941774]

約数ペア:

[(1, 20941774), (2, 10470887), (7, 2991682), (14, 1495841), (43, 487018), (86, 243509), (301, 69574), (602, 34787), (809, 25886), (1618, 12943), (1849, 11326), (3698, 5663)]