20577429

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 32624640

約数和(自身を除く): 12047211

約数列:

[1, 3, 9, 17, 27, 51, 127, 153, 353, 381, 459, 1059, 1143, 2159, 3177, 3429, 6001, 6477, 9531, 18003, 19431, 44831, 54009, 58293, 134493, 162027, 403479, 762127, 1210437, 2286381, 6859143, 20577429]

約数ペア:

[(1, 20577429), (3, 6859143), (9, 2286381), (17, 1210437), (27, 762127), (51, 403479), (127, 162027), (153, 134493), (353, 58293), (381, 54009), (459, 44831), (1059, 19431), (1143, 18003), (2159, 9531), (3177, 6477), (3429, 6001)]