20735481

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1481}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 29877120

約数和(自身を除く): 9141639

約数列:

[1, 3, 13, 39, 359, 1077, 1481, 4443, 4667, 14001, 19253, 57759, 531679, 1595037, 6911827, 20735481]

約数ペア:

[(1, 20735481), (3, 6911827), (13, 1595037), (39, 531679), (359, 57759), (1077, 19253), (1481, 14001), (4443, 4667)]