20925907

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 22508640

約数和(自身を除く): 1582733

約数列:

[1, 29, 43, 97, 173, 1247, 2813, 4171, 5017, 7439, 16781, 120959, 215731, 486649, 721583, 20925907]

約数ペア:

[(1, 20925907), (29, 721583), (43, 486649), (97, 215731), (173, 120959), (1247, 16781), (2813, 7439), (4171, 5017)]