20416209

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5113}}^1$

素因数の和:5149

約数の個数: 16

約数和(自身を含む): 29947584

約数和(自身を除く): 9531375

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5113, 15339, 56243, 168729, 618673, 1856019, 6805403, 20416209]

約数ペア:

[(1, 20416209), (3, 6805403), (11, 1856019), (33, 618673), (121, 168729), (363, 56243), (1331, 15339), (3993, 5113)]