20529897

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4523}}^1$

素因数の和:4632

約数の個数: 16

約数和(自身を含む): 29315520

約数和(自身を除く): 8785623

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4523, 4539, 13569, 76891, 230673, 402547, 1207641, 6843299, 20529897]

約数ペア:

[(1, 20529897), (3, 6843299), (17, 1207641), (51, 402547), (89, 230673), (267, 76891), (1513, 13569), (4523, 4539)]