20474278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 35811072

約数和(自身を除く): 15336794

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 941, 946, 989, 1882, 1978, 10351, 10879, 20702, 21643, 21758, 40463, 43286, 80926, 238073, 445093, 476146, 890186, 930649, 1861298, 10237139, 20474278]

約数ペア:

[(1, 20474278), (2, 10237139), (11, 1861298), (22, 930649), (23, 890186), (43, 476146), (46, 445093), (86, 238073), (253, 80926), (473, 43286), (506, 40463), (941, 21758), (946, 21643), (989, 20702), (1882, 10879), (1978, 10351)]