20933577

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1451}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 34731840

約数和(自身を除く): 13798263

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1451, 1603, 2061, 4353, 4809, 10157, 13059, 14427, 30471, 91413, 332279, 996837, 2325953, 2990511, 6977859, 20933577]

約数ペア:

[(1, 20933577), (3, 6977859), (7, 2990511), (9, 2325953), (21, 996837), (63, 332279), (229, 91413), (687, 30471), (1451, 14427), (1603, 13059), (2061, 10157), (4353, 4809)]