20869101

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2969}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 33359040

約数和(自身を除く): 12489939

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2969, 7029, 8907, 26721, 32659, 97977, 210799, 293931, 632397, 1897191, 2318789, 6956367, 20869101]

約数ペア:

[(1, 20869101), (3, 6956367), (9, 2318789), (11, 1897191), (33, 632397), (71, 293931), (99, 210799), (213, 97977), (639, 32659), (781, 26721), (2343, 8907), (2969, 7029)]