20853412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3083}}^1$

素因数の和:3195

約数の個数: 24

約数和(自身を含む): 38858400

約数和(自身を除く): 18004988

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3083, 3382, 6166, 6764, 12332, 58577, 117154, 234308, 274387, 548774, 1097548, 5213353, 10426706, 20853412]

約数ペア:

[(1, 20853412), (2, 10426706), (4, 5213353), (19, 1097548), (38, 548774), (76, 274387), (89, 234308), (178, 117154), (356, 58577), (1691, 12332), (3083, 6764), (3382, 6166)]