20123642511

素因数分解:

$3^4\times 7^1\times {\mathrm{35491433}}^1$

素因数の和:35491452

約数の個数: 20

約数和(自身を含む): 34355708112

約数和(自身を除く): 14232065601

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35491433, 106474299, 248440031, 319422897, 745320093, 958268691, 2235960279, 2874806073, 6707880837, 20123642511]

約数ペア:

[(1, 20123642511), (3, 6707880837), (7, 2874806073), (9, 2235960279), (21, 958268691), (27, 745320093), (63, 319422897), (81, 248440031), (189, 106474299), (567, 35491433)]