20186488

素因数分解:

$2^3\times 7^1\times {\mathrm{547}}^1\times {\mathrm{659}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 43401600

約数和(自身を除く): 23215112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 547, 659, 1094, 1318, 2188, 2636, 3829, 4376, 4613, 5272, 7658, 9226, 15316, 18452, 30632, 36904, 360473, 720946, 1441892, 2523311, 2883784, 5046622, 10093244, 20186488]

約数ペア:

[(1, 20186488), (2, 10093244), (4, 5046622), (7, 2883784), (8, 2523311), (14, 1441892), (28, 720946), (56, 360473), (547, 36904), (659, 30632), (1094, 18452), (1318, 15316), (2188, 9226), (2636, 7658), (3829, 5272), (4376, 4613)]