19827920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35407}}^1$

素因数の和:35427

約数の個数: 40

約数和(自身を含む): 52687104

約数和(自身を除く): 32859184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35407, 70814, 141628, 177035, 247849, 283256, 354070, 495698, 566512, 708140, 991396, 1239245, 1416280, 1982792, 2478490, 2832560, 3965584, 4956980, 9913960, 19827920]

約数ペア:

[(1, 19827920), (2, 9913960), (4, 4956980), (5, 3965584), (7, 2832560), (8, 2478490), (10, 1982792), (14, 1416280), (16, 1239245), (20, 991396), (28, 708140), (35, 566512), (40, 495698), (56, 354070), (70, 283256), (80, 247849), (112, 177035), (140, 141628), (280, 70814), (560, 35407)]