20540412

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4423}}^1$

素因数の和:4479

約数の個数: 48

約数和(自身を含む): 54503680

約数和(自身を除く): 33963268

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, 4423, 4644, 8846, 13269, 17692, 26538, 39807, 53076, 79614, 119421, 159228, 190189, 238842, 380378, 477684, 570567, 760756, 1141134, 1711701, 2282268, 3423402, 5135103, 6846804, 10270206, 20540412]

約数ペア:

[(1, 20540412), (2, 10270206), (3, 6846804), (4, 5135103), (6, 3423402), (9, 2282268), (12, 1711701), (18, 1141134), (27, 760756), (36, 570567), (43, 477684), (54, 380378), (86, 238842), (108, 190189), (129, 159228), (172, 119421), (258, 79614), (387, 53076), (516, 39807), (774, 26538), (1161, 17692), (1548, 13269), (2322, 8846), (4423, 4644)]