20090119310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49000291}}^1$

素因数の和:49000339

約数の個数: 16

約数和(自身を含む): 37044220752

約数和(自身を除く): 16954101442

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49000291, 98000582, 245001455, 490002910, 2009011931, 4018023862, 10045059655, 20090119310]

約数ペア:

[(1, 20090119310), (2, 10045059655), (5, 4018023862), (10, 2009011931), (41, 490002910), (82, 245001455), (205, 98000582), (410, 49000291)]