20296040

素因数分解:

$2^3\times 5^1\times {\mathrm{507401}}^1$

素因数の和:507412

約数の個数: 16

約数和(自身を含む): 45666180

約数和(自身を除く): 25370140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 507401, 1014802, 2029604, 2537005, 4059208, 5074010, 10148020, 20296040]

約数ペア:

[(1, 20296040), (2, 10148020), (4, 5074010), (5, 4059208), (8, 2537005), (10, 2029604), (20, 1014802), (40, 507401)]