20956289

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 22788864

約数和(自身を除く): 1832575

約数列:

[1, 23, 41, 71, 313, 943, 1633, 2911, 7199, 12833, 22223, 66953, 295159, 511129, 911143, 20956289]

約数ペア:

[(1, 20956289), (23, 911143), (41, 511129), (71, 295159), (313, 66953), (943, 22223), (1633, 12833), (2911, 7199)]