20531124

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4421}}^1$

素因数の和:4477

約数の個数: 48

約数和(自身を含む): 54479040

約数和(自身を除く): 33947916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4421, 4644, 8842, 13263, 17684, 26526, 39789, 53052, 79578, 119367, 159156, 190103, 238734, 380206, 477468, 570309, 760412, 1140618, 1710927, 2281236, 3421854, 5132781, 6843708, 10265562, 20531124]

約数ペア:

[(1, 20531124), (2, 10265562), (3, 6843708), (4, 5132781), (6, 3421854), (9, 2281236), (12, 1710927), (18, 1140618), (27, 760412), (36, 570309), (43, 477468), (54, 380206), (86, 238734), (108, 190103), (129, 159156), (172, 119367), (258, 79578), (387, 53052), (516, 39789), (774, 26526), (1161, 17684), (1548, 13263), (2322, 8842), (4421, 4644)]