20951946

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 49576800

約数和(自身を除く): 28624854

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2269, 3078, 4538, 4617, 6807, 9234, 13614, 20421, 40842, 43111, 61263, 86222, 122526, 129333, 183789, 258666, 367578, 387999, 551367, 775998, 1102734, 1163997, 2327994, 3491991, 6983982, 10475973, 20951946]

約数ペア:

[(1, 20951946), (2, 10475973), (3, 6983982), (6, 3491991), (9, 2327994), (18, 1163997), (19, 1102734), (27, 775998), (38, 551367), (54, 387999), (57, 367578), (81, 258666), (114, 183789), (162, 129333), (171, 122526), (243, 86222), (342, 61263), (486, 43111), (513, 40842), (1026, 20421), (1539, 13614), (2269, 9234), (3078, 6807), (4538, 4617)]