20085081412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{775007}}^1$

素因数の和:775072

約数の個数: 48

約数和(自身を含む): 41664430080

約数和(自身を除く): 21579348668

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 836, 1178, 1364, 2356, 6479, 12958, 25916, 775007, 1550014, 3100028, 8525077, 14725133, 17050154, 24025217, 29450266, 34100308, 48050434, 58900532, 96100868, 161976463, 264277387, 323952926, 456479123, 528554774, 647905852, 912958246, 1057109548, 1825916492, 5021270353, 10042540706, 20085081412]

約数ペア:

[(1, 20085081412), (2, 10042540706), (4, 5021270353), (11, 1825916492), (19, 1057109548), (22, 912958246), (31, 647905852), (38, 528554774), (44, 456479123), (62, 323952926), (76, 264277387), (124, 161976463), (209, 96100868), (341, 58900532), (418, 48050434), (589, 34100308), (682, 29450266), (836, 24025217), (1178, 17050154), (1364, 14725133), (2356, 8525077), (6479, 3100028), (12958, 1550014), (25916, 775007)]