20407670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88729}}^1$

素因数の和:88759

約数の個数: 16

約数和(自身を含む): 38331360

約数和(自身を除く): 17923690

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 88729, 177458, 443645, 887290, 2040767, 4081534, 10203835, 20407670]

約数ペア:

[(1, 20407670), (2, 10203835), (5, 4081534), (10, 2040767), (23, 887290), (46, 443645), (115, 177458), (230, 88729)]