20489084

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66523}}^1$

素因数の和:66545

約数の個数: 24

約数和(自身を含む): 44704128

約数和(自身を除く): 24215044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66523, 133046, 266092, 465661, 731753, 931322, 1463506, 1862644, 2927012, 5122271, 10244542, 20489084]

約数ペア:

[(1, 20489084), (2, 10244542), (4, 5122271), (7, 2927012), (11, 1862644), (14, 1463506), (22, 931322), (28, 731753), (44, 465661), (77, 266092), (154, 133046), (308, 66523)]