20162990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106121}}^1$

素因数の和:106147

約数の個数: 16

約数和(自身を含む): 38203920

約数和(自身を除く): 18040930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106121, 212242, 530605, 1061210, 2016299, 4032598, 10081495, 20162990]

約数ペア:

[(1, 20162990), (2, 10081495), (5, 4032598), (10, 2016299), (19, 1061210), (38, 530605), (95, 212242), (190, 106121)]