20080071

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18439}}^1$

素因数の和:18467

約数の個数: 18

約数和(自身を含む): 31882760

約数和(自身を除く): 11802689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18439, 55317, 165951, 202829, 608487, 1825461, 2231119, 6693357, 20080071]

約数ペア:

[(1, 20080071), (3, 6693357), (9, 2231119), (11, 1825461), (33, 608487), (99, 202829), (121, 165951), (363, 55317), (1089, 18439)]