24890020

素因数分解:

$2^2\times 5^1\times {\mathrm{1244501}}^1$

素因数の和:1244510

約数の個数: 12

約数和(自身を含む): 52269084

約数和(自身を除く): 27379064

約数列:

[1, 2, 4, 5, 10, 20, 1244501, 2489002, 4978004, 6222505, 12445010, 24890020]

約数ペア:

[(1, 24890020), (2, 12445010), (4, 6222505), (5, 4978004), (10, 2489002), (20, 1244501)]