20091230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49003}}^1$

素因数の和:49051

約数の個数: 16

約数和(自身を含む): 37047024

約数和(自身を除く): 16955794

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49003, 98006, 245015, 490030, 2009123, 4018246, 10045615, 20091230]

約数ペア:

[(1, 20091230), (2, 10045615), (5, 4018246), (10, 2009123), (41, 490030), (82, 245015), (205, 98006), (410, 49003)]