20728542

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{203221}}^1$

素因数の和:203243

約数の個数: 16

約数和(自身を含む): 43895952

約数和(自身を除く): 23167410

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 203221, 406442, 609663, 1219326, 3454757, 6909514, 10364271, 20728542]

約数ペア:

[(1, 20728542), (2, 10364271), (3, 6909514), (6, 3454757), (17, 1219326), (34, 609663), (51, 406442), (102, 203221)]