20569353

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18481}}^1$

素因数の和:18544

約数の個数: 16

約数和(自身を含む): 31936896

約数和(自身を除く): 11367543

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18481, 55443, 129367, 388101, 979493, 2938479, 6856451, 20569353]

約数ペア:

[(1, 20569353), (3, 6856451), (7, 2938479), (21, 979493), (53, 388101), (159, 129367), (371, 55443), (1113, 18481)]