20998864

素因数分解:

$2^4\times {\mathrm{907}}^1\times {\mathrm{1447}}^1$

素因数の和:2362

約数の個数: 20

約数和(自身を含む): 40758304

約数和(自身を除く): 19759440

約数列:

[1, 2, 4, 8, 16, 907, 1447, 1814, 2894, 3628, 5788, 7256, 11576, 14512, 23152, 1312429, 2624858, 5249716, 10499432, 20998864]

約数ペア:

[(1, 20998864), (2, 10499432), (4, 5249716), (8, 2624858), (16, 1312429), (907, 23152), (1447, 14512), (1814, 11576), (2894, 7256), (3628, 5788)]