20531096

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 40748400

約数和(自身を除く): 20217304

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 461, 586, 922, 1172, 1844, 2344, 3688, 5567, 8759, 11134, 17518, 22268, 35036, 44536, 70072, 135073, 270146, 540292, 1080584, 2566387, 5132774, 10265548, 20531096]

約数ペア:

[(1, 20531096), (2, 10265548), (4, 5132774), (8, 2566387), (19, 1080584), (38, 540292), (76, 270146), (152, 135073), (293, 70072), (461, 44536), (586, 35036), (922, 22268), (1172, 17518), (1844, 11134), (2344, 8759), (3688, 5567)]