20880162

素因数分解:

$2^1\times 3^2\times {\mathrm{1160009}}^1$

素因数の和:1160017

約数の個数: 12

約数和(自身を含む): 45240390

約数和(自身を除く): 24360228

約数列:

[1, 2, 3, 6, 9, 18, 1160009, 2320018, 3480027, 6960054, 10440081, 20880162]

約数ペア:

[(1, 20880162), (2, 10440081), (3, 6960054), (6, 3480027), (9, 2320018), (18, 1160009)]