20425430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47501}}^1$

素因数の和:47551

約数の個数: 16

約数和(自身を含む): 37621584

約数和(自身を除く): 17196154

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47501, 95002, 237505, 475010, 2042543, 4085086, 10212715, 20425430]

約数ペア:

[(1, 20425430), (2, 10212715), (5, 4085086), (10, 2042543), (43, 475010), (86, 237505), (215, 95002), (430, 47501)]