20382789

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16451}}^1$

素因数の和:16520

約数の個数: 16

約数和(自身を含む): 31587840

約数和(自身を除く): 11205051

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16451, 49353, 115157, 345471, 970609, 2911827, 6794263, 20382789]

約数ペア:

[(1, 20382789), (3, 6794263), (7, 2911827), (21, 970609), (59, 345471), (177, 115157), (413, 49353), (1239, 16451)]