20187917078

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3929}}^1\times {\mathrm{21589}}^1$

素因数の和:25544

約数の個数: 32

約数和(自身を含む): 36654638400

約数和(自身を除く): 16466721322

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 3929, 7858, 21589, 27503, 43178, 55006, 66793, 133586, 151123, 302246, 367013, 467551, 734026, 935102, 2569091, 5138182, 84823181, 169646362, 593762267, 1187524534, 1441994077, 2883988154, 10093958539, 20187917078]

約数ペア:

[(1, 20187917078), (2, 10093958539), (7, 2883988154), (14, 1441994077), (17, 1187524534), (34, 593762267), (119, 169646362), (238, 84823181), (3929, 5138182), (7858, 2569091), (21589, 935102), (27503, 734026), (43178, 467551), (55006, 367013), (66793, 302246), (133586, 151123)]