13220180

素因数分解:

$2^2\times 5^1\times {\mathrm{661009}}^1$

素因数の和:661018

約数の個数: 12

約数和(自身を含む): 27762420

約数和(自身を除く): 14542240

約数列:

[1, 2, 4, 5, 10, 20, 661009, 1322018, 2644036, 3305045, 6610090, 13220180]

約数ペア:

[(1, 13220180), (2, 6610090), (4, 3305045), (5, 2644036), (10, 1322018), (20, 661009)]