20998488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{124991}}^1$

素因数の和:125007

約数の個数: 32

約数和(自身を含む): 59996160

約数和(自身を除く): 38997672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 124991, 249982, 374973, 499964, 749946, 874937, 999928, 1499892, 1749874, 2624811, 2999784, 3499748, 5249622, 6999496, 10499244, 20998488]

約数ペア:

[(1, 20998488), (2, 10499244), (3, 6999496), (4, 5249622), (6, 3499748), (7, 2999784), (8, 2624811), (12, 1749874), (14, 1499892), (21, 999928), (24, 874937), (28, 749946), (42, 499964), (56, 374973), (84, 249982), (168, 124991)]