20393780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92699}}^1$

素因数の和:92719

約数の個数: 24

約数和(自身を含む): 46720800

約数和(自身を除く): 26327020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 92699, 185398, 370796, 463495, 926990, 1019689, 1853980, 2039378, 4078756, 5098445, 10196890, 20393780]

約数ペア:

[(1, 20393780), (2, 10196890), (4, 5098445), (5, 4078756), (10, 2039378), (11, 1853980), (20, 1019689), (22, 926990), (44, 463495), (55, 370796), (110, 185398), (220, 92699)]