20420236444

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{3373}}^1\times {\mathrm{21317}}^1$

素因数の和:24765

約数の個数: 24

約数和(自身を含む): 36251173728

約数和(自身を除く): 15830937284

約数列:

[1, 2, 4, 71, 142, 284, 3373, 6746, 13492, 21317, 42634, 85268, 239483, 478966, 957932, 1513507, 3027014, 6054028, 71902241, 143804482, 287608964, 5105059111, 10210118222, 20420236444]

約数ペア:

[(1, 20420236444), (2, 10210118222), (4, 5105059111), (71, 287608964), (142, 143804482), (284, 71902241), (3373, 6054028), (6746, 3027014), (13492, 1513507), (21317, 957932), (42634, 478966), (85268, 239483)]