20885931

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2131}}^1$

素因数の和:2165

約数の個数: 30

約数和(自身を含む): 34310276

約数和(自身を除く): 13424345

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2131, 3267, 6393, 9801, 19179, 23441, 57537, 70323, 172611, 210969, 257851, 632907, 773553, 1898721, 2320659, 6961977, 20885931]

約数ペア:

[(1, 20885931), (3, 6961977), (9, 2320659), (11, 1898721), (27, 773553), (33, 632907), (81, 257851), (99, 210969), (121, 172611), (297, 70323), (363, 57537), (891, 23441), (1089, 19179), (2131, 9801), (3267, 6393)]