20866329

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2129}}^1$

素因数の和:2163

約数の個数: 30

約数和(自身を含む): 34278090

約数和(自身を除く): 13411761

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2129, 3267, 6387, 9801, 19161, 23419, 57483, 70257, 172449, 210771, 257609, 632313, 772827, 1896939, 2318481, 6955443, 20866329]

約数ペア:

[(1, 20866329), (3, 6955443), (9, 2318481), (11, 1896939), (27, 772827), (33, 632313), (81, 257609), (99, 210771), (121, 172449), (297, 70257), (363, 57483), (891, 23419), (1089, 19161), (2129, 9801), (3267, 6387)]