20157699

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4550

約数の個数: 16

約数和(自身を含む): 28784160

約数和(自身を除く): 8626461

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4441, 4539, 13323, 75497, 226491, 395249, 1185747, 6719233, 20157699]

約数ペア:

[(1, 20157699), (3, 6719233), (17, 1185747), (51, 395249), (89, 226491), (267, 75497), (1513, 13323), (4441, 4539)]