20869882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 14961926

約数列:

[1, 2, 11, 22, 31, 62, 71, 142, 341, 431, 682, 781, 862, 1562, 2201, 4402, 4741, 9482, 13361, 24211, 26722, 30601, 48422, 61202, 146971, 293942, 336611, 673222, 948631, 1897262, 10434941, 20869882]

約数ペア:

[(1, 20869882), (2, 10434941), (11, 1897262), (22, 948631), (31, 673222), (62, 336611), (71, 293942), (142, 146971), (341, 61202), (431, 48422), (682, 30601), (781, 26722), (862, 24211), (1562, 13361), (2201, 9482), (4402, 4741)]