20349736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 42223680

約数和(自身を除く): 21873944

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3257, 6248, 6514, 13028, 26056, 35827, 71654, 143308, 231247, 286616, 462494, 924988, 1849976, 2543717, 5087434, 10174868, 20349736]

約数ペア:

[(1, 20349736), (2, 10174868), (4, 5087434), (8, 2543717), (11, 1849976), (22, 924988), (44, 462494), (71, 286616), (88, 231247), (142, 143308), (284, 71654), (568, 35827), (781, 26056), (1562, 13028), (3124, 6514), (3257, 6248)]