20998846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{983}}^1$

素因数の和:1967

約数の個数: 16

約数和(自身を含む): 34432128

約数和(自身を除く): 13433282

約数列:

[1, 2, 11, 22, 971, 983, 1942, 1966, 10681, 10813, 21362, 21626, 954493, 1908986, 10499423, 20998846]

約数ペア:

[(1, 20998846), (2, 10499423), (11, 1908986), (22, 954493), (971, 21626), (983, 21362), (1942, 10813), (1966, 10681)]