20209212

素因数分解:

$2^2\times 3^2\times {\mathrm{561367}}^1$

素因数の和:561377

約数の個数: 18

約数和(自身を含む): 51084488

約数和(自身を除く): 30875276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561367, 1122734, 1684101, 2245468, 3368202, 5052303, 6736404, 10104606, 20209212]

約数ペア:

[(1, 20209212), (2, 10104606), (3, 6736404), (4, 5052303), (6, 3368202), (9, 2245468), (12, 1684101), (18, 1122734), (36, 561367)]