20842353

素因数分解:

$3^5\times 7^1\times {\mathrm{12253}}^1$

素因数の和:12275

約数の個数: 24

約数和(自身を含む): 35683648

約数和(自身を除く): 14841295

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12253, 36759, 85771, 110277, 257313, 330831, 771939, 992493, 2315817, 2977479, 6947451, 20842353]

約数ペア:

[(1, 20842353), (3, 6947451), (7, 2977479), (9, 2315817), (21, 992493), (27, 771939), (63, 330831), (81, 257313), (189, 110277), (243, 85771), (567, 36759), (1701, 12253)]