20423548

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 36436400

約数和(自身を除く): 16012852

約数列:

[1, 2, 4, 109, 139, 218, 278, 337, 436, 556, 674, 1348, 15151, 30302, 36733, 46843, 60604, 73466, 93686, 146932, 187372, 5105887, 10211774, 20423548]

約数ペア:

[(1, 20423548), (2, 10211774), (4, 5105887), (109, 187372), (139, 146932), (218, 93686), (278, 73466), (337, 60604), (436, 46843), (556, 36733), (674, 30302), (1348, 15151)]