20989134

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{11321}}^1$

素因数の和:11432

約数の個数: 24

約数和(自身を含む): 45922032

約数和(自身を除く): 24932898

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 11321, 22642, 33963, 67926, 101889, 203778, 1166063, 2332126, 3498189, 6996378, 10494567, 20989134]

約数ペア:

[(1, 20989134), (2, 10494567), (3, 6996378), (6, 3498189), (9, 2332126), (18, 1166063), (103, 203778), (206, 101889), (309, 67926), (618, 33963), (927, 22642), (1854, 11321)]