206112820

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{23911}}^1$

素因数の和:24351

約数の個数: 24

約数和(自身を含む): 433859328

約数和(自身を除く): 227746508

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 23911, 47822, 95644, 119555, 239110, 478220, 10305641, 20611282, 41222564, 51528205, 103056410, 206112820]

約数ペア:

[(1, 206112820), (2, 103056410), (4, 51528205), (5, 41222564), (10, 20611282), (20, 10305641), (431, 478220), (862, 239110), (1724, 119555), (2155, 95644), (4310, 47822), (8620, 23911)]