20880036

素因数分解:

$2^2\times 3^2\times {\mathrm{580001}}^1$

素因数の和:580011

約数の個数: 18

約数和(自身を含む): 52780182

約数和(自身を除く): 31900146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580001, 1160002, 1740003, 2320004, 3480006, 5220009, 6960012, 10440018, 20880036]

約数ペア:

[(1, 20880036), (2, 10440018), (3, 6960012), (4, 5220009), (6, 3480006), (9, 2320004), (12, 1740003), (18, 1160002), (36, 580001)]