20927732

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9461}}^1$

素因数の和:9551

約数の個数: 24

約数和(自身を含む): 42389760

約数和(自身を除く): 21462028

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9461, 18922, 37844, 66227, 132454, 264908, 747419, 1494838, 2989676, 5231933, 10463866, 20927732]

約数ペア:

[(1, 20927732), (2, 10463866), (4, 5231933), (7, 2989676), (14, 1494838), (28, 747419), (79, 264908), (158, 132454), (316, 66227), (553, 37844), (1106, 18922), (2212, 9461)]