20180696

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23143}}^1$

素因数の和:23258

約数の個数: 16

約数和(自身を含む): 38187600

約数和(自身を除く): 18006904

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23143, 46286, 92572, 185144, 2522587, 5045174, 10090348, 20180696]

約数ペア:

[(1, 20180696), (2, 10090348), (4, 5045174), (8, 2522587), (109, 185144), (218, 92572), (436, 46286), (872, 23143)]