20205211

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 22667008

約数和(自身を除く): 2461797

約数列:

[1, 13, 31, 181, 277, 403, 2353, 3601, 5611, 8587, 50137, 72943, 111631, 651781, 1554247, 20205211]

約数ペア:

[(1, 20205211), (13, 1554247), (31, 651781), (181, 111631), (277, 72943), (403, 50137), (2353, 8587), (3601, 5611)]