20704842

素因数分解:

$2^1\times 3^3\times {\mathrm{457}}^1\times {\mathrm{839}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 46166400

約数和(自身を除く): 25461558

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 457, 839, 914, 1371, 1678, 2517, 2742, 4113, 5034, 7551, 8226, 12339, 15102, 22653, 24678, 45306, 383423, 766846, 1150269, 2300538, 3450807, 6901614, 10352421, 20704842]

約数ペア:

[(1, 20704842), (2, 10352421), (3, 6901614), (6, 3450807), (9, 2300538), (18, 1150269), (27, 766846), (54, 383423), (457, 45306), (839, 24678), (914, 22653), (1371, 15102), (1678, 12339), (2517, 8226), (2742, 7551), (4113, 5034)]