20760138

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18307}}^1$

素因数の和:18328

約数の個数: 40

約数和(自身を含む): 53166432

約数和(自身を除く): 32406294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18307, 36614, 54921, 109842, 128149, 164763, 256298, 329526, 384447, 494289, 768894, 988578, 1153341, 1482867, 2306682, 2965734, 3460023, 6920046, 10380069, 20760138]

約数ペア:

[(1, 20760138), (2, 10380069), (3, 6920046), (6, 3460023), (7, 2965734), (9, 2306682), (14, 1482867), (18, 1153341), (21, 988578), (27, 768894), (42, 494289), (54, 384447), (63, 329526), (81, 256298), (126, 164763), (162, 128149), (189, 109842), (378, 54921), (567, 36614), (1134, 18307)]