20021140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9719}}^1$

素因数の和:9831

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 22435820

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9719, 19438, 38876, 48595, 97190, 194380, 1001057, 2002114, 4004228, 5005285, 10010570, 20021140]

約数ペア:

[(1, 20021140), (2, 10010570), (4, 5005285), (5, 4004228), (10, 2002114), (20, 1001057), (103, 194380), (206, 97190), (412, 48595), (515, 38876), (1030, 19438), (2060, 9719)]