20500360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22283}}^1$

素因数の和:22317

約数の個数: 32

約数和(自身を含む): 48133440

約数和(自身を除く): 27633080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22283, 44566, 89132, 111415, 178264, 222830, 445660, 512509, 891320, 1025018, 2050036, 2562545, 4100072, 5125090, 10250180, 20500360]

約数ペア:

[(1, 20500360), (2, 10250180), (4, 5125090), (5, 4100072), (8, 2562545), (10, 2050036), (20, 1025018), (23, 891320), (40, 512509), (46, 445660), (92, 222830), (115, 178264), (184, 111415), (230, 89132), (460, 44566), (920, 22283)]