20857212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30493}}^1$

素因数の和:30522

約数の個数: 36

約数和(自身を含む): 55499080

約数和(自身を除く): 34641868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30493, 60986, 91479, 121972, 182958, 274437, 365916, 548874, 579367, 1097748, 1158734, 1738101, 2317468, 3476202, 5214303, 6952404, 10428606, 20857212]

約数ペア:

[(1, 20857212), (2, 10428606), (3, 6952404), (4, 5214303), (6, 3476202), (9, 2317468), (12, 1738101), (18, 1158734), (19, 1097748), (36, 579367), (38, 548874), (57, 365916), (76, 274437), (114, 182958), (171, 121972), (228, 91479), (342, 60986), (684, 30493)]