20481340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93097}}^1$

素因数の和:93117

約数の個数: 24

約数和(自身を含む): 46921392

約数和(自身を除く): 26440052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93097, 186194, 372388, 465485, 930970, 1024067, 1861940, 2048134, 4096268, 5120335, 10240670, 20481340]

約数ペア:

[(1, 20481340), (2, 10240670), (4, 5120335), (5, 4096268), (10, 2048134), (11, 1861940), (20, 1024067), (22, 930970), (44, 465485), (55, 372388), (110, 186194), (220, 93097)]