20912368

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27809}}^1$

素因数の和:27864

約数の個数: 20

約数和(自身を含む): 41381280

約数和(自身を除く): 20468912

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27809, 55618, 111236, 222472, 444944, 1307023, 2614046, 5228092, 10456184, 20912368]

約数ペア:

[(1, 20912368), (2, 10456184), (4, 5228092), (8, 2614046), (16, 1307023), (47, 444944), (94, 222472), (188, 111236), (376, 55618), (752, 27809)]