20504237

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 23106048

約数和(自身を除く): 2601811

約数列:

[1, 13, 31, 83, 403, 613, 1079, 2573, 7969, 19003, 33449, 50879, 247039, 661427, 1577249, 20504237]

約数ペア:

[(1, 20504237), (13, 1577249), (31, 661427), (83, 247039), (403, 50879), (613, 33449), (1079, 19003), (2573, 7969)]