20893059

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 34499520

約数和(自身を除く): 13606461

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 179, 297, 393, 537, 891, 1179, 1441, 1611, 1969, 3537, 4323, 4833, 5907, 10611, 12969, 14499, 17721, 23449, 38907, 53163, 70347, 116721, 159489, 211041, 257939, 633123, 773817, 1899369, 2321451, 6964353, 20893059]

約数ペア:

[(1, 20893059), (3, 6964353), (9, 2321451), (11, 1899369), (27, 773817), (33, 633123), (81, 257939), (99, 211041), (131, 159489), (179, 116721), (297, 70347), (393, 53163), (537, 38907), (891, 23449), (1179, 17721), (1441, 14499), (1611, 12969), (1969, 10611), (3537, 5907), (4323, 4833)]