20559515

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 4696933

約数列:

[1, 5, 83, 107, 415, 463, 535, 2315, 8881, 38429, 44405, 49541, 192145, 247705, 4111903, 20559515]

約数ペア:

[(1, 20559515), (5, 4111903), (83, 247705), (107, 192145), (415, 49541), (463, 44405), (535, 38429), (2315, 8881)]