20844260

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2251}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 43886976

約数和(自身を除く): 23042716

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2251, 2315, 4502, 4630, 9004, 9260, 11255, 22510, 45020, 1042213, 2084426, 4168852, 5211065, 10422130, 20844260]

約数ペア:

[(1, 20844260), (2, 10422130), (4, 5211065), (5, 4168852), (10, 2084426), (20, 1042213), (463, 45020), (926, 22510), (1852, 11255), (2251, 9260), (2315, 9004), (4502, 4630)]