20512247305

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{3082231}}^1$

素因数の和:3082269

約数の個数: 16

約数和(自身を含む): 27074325888

約数和(自身を除く): 6562078583

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 3082231, 15411155, 33904541, 169522705, 372949951, 1864749755, 4102449461, 20512247305]

約数ペア:

[(1, 20512247305), (5, 4102449461), (11, 1864749755), (55, 372949951), (121, 169522705), (605, 33904541), (1331, 15411155), (6655, 3082231)]