20789345642078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{21589}}^1\times {\mathrm{106123}}^1$

素因数の和:128076

約数の個数: 32

約数和(自身を含む): 33680892252000

約数和(自身を除く): 12891546609922

約数列:

[1, 2, 13, 26, 349, 698, 4537, 9074, 21589, 43178, 106123, 212246, 280657, 561314, 1379599, 2759198, 7534561, 15069122, 37036927, 74073854, 97949293, 195898586, 481480051, 962960102, 2291089447, 4582178894, 29784162811, 59568325622, 799590217003, 1599180434006, 10394672821039, 20789345642078]

約数ペア:

[(1, 20789345642078), (2, 10394672821039), (13, 1599180434006), (26, 799590217003), (349, 59568325622), (698, 29784162811), (4537, 4582178894), (9074, 2291089447), (21589, 962960102), (43178, 481480051), (106123, 195898586), (212246, 97949293), (280657, 74073854), (561314, 37036927), (1379599, 15069122), (2759198, 7534561)]