20408215213

素因数分解:

${\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1\times {\mathrm{9661}}^1$

素因数の和:10596

約数の個数: 16

約数和(自身を含む): 21348536832

約数和(自身を除く): 940321619

約数列:

[1, 31, 83, 821, 2573, 9661, 25451, 68143, 299491, 801863, 2112433, 7931681, 24857753, 245882111, 658329523, 20408215213]

約数ペア:

[(1, 20408215213), (31, 658329523), (83, 245882111), (821, 24857753), (2573, 7931681), (9661, 2112433), (25451, 801863), (68143, 299491)]