20680086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7349}}^1$

素因数の和:7428

約数の個数: 32

約数和(自身を含む): 47980800

約数和(自身を除く): 27300714

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7349, 14698, 22047, 44094, 51443, 102886, 154329, 308658, 492383, 984766, 1477149, 2954298, 3446681, 6893362, 10340043, 20680086]

約数ペア:

[(1, 20680086), (2, 10340043), (3, 6893362), (6, 3446681), (7, 2954298), (14, 1477149), (21, 984766), (42, 492383), (67, 308658), (134, 154329), (201, 102886), (402, 51443), (469, 44094), (938, 22047), (1407, 14698), (2814, 7349)]