20871051

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2309}}^1$

素因数の和:2466

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 8401269

約数列:

[1, 3, 23, 69, 131, 393, 2309, 3013, 6927, 9039, 53107, 159321, 302479, 907437, 6957017, 20871051]

約数ペア:

[(1, 20871051), (3, 6957017), (23, 907437), (69, 302479), (131, 159321), (393, 53107), (2309, 9039), (3013, 6927)]