20401345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9337}}^1$

素因数の和:9384

約数の個数: 16

約数和(自身を含む): 26893440

約数和(自身を除く): 6492095

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9337, 46685, 177403, 214751, 887015, 1073755, 4080269, 20401345]

約数ペア:

[(1, 20401345), (5, 4080269), (19, 1073755), (23, 887015), (95, 214751), (115, 177403), (437, 46685), (2185, 9337)]