20018427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{46663}}^1$

素因数の和:46690

約数の個数: 16

約数和(自身を含む): 31358208

約数和(自身を除く): 11339781

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 46663, 139989, 513293, 606619, 1539879, 1819857, 6672809, 20018427]

約数ペア:

[(1, 20018427), (3, 6672809), (11, 1819857), (13, 1539879), (33, 606619), (39, 513293), (143, 139989), (429, 46663)]