20512297

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 3292631

約数列:

[1, 13, 23, 31, 299, 403, 713, 2213, 9269, 28769, 50899, 68603, 661687, 891839, 1577869, 20512297]

約数ペア:

[(1, 20512297), (13, 1577869), (23, 891839), (31, 661687), (299, 68603), (403, 50899), (713, 28769), (2213, 9269)]