42060020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48907}}^1$

素因数の和:48959

約数の個数: 24

約数和(自身を含む): 90381984

約数和(自身を除く): 48321964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 48907, 97814, 195628, 244535, 489070, 978140, 2103001, 4206002, 8412004, 10515005, 21030010, 42060020]

約数ペア:

[(1, 42060020), (2, 21030010), (4, 10515005), (5, 8412004), (10, 4206002), (20, 2103001), (43, 978140), (86, 489070), (172, 244535), (215, 195628), (430, 97814), (860, 48907)]