20147781268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{48029}}^1$

素因数の和:48280

約数の個数: 48

約数和(自身を含む): 38731392000

約数和(自身を除く): 18583610732

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 199, 398, 527, 796, 1054, 2108, 3383, 6169, 6766, 12338, 13532, 24676, 48029, 96058, 104873, 192116, 209746, 419492, 816493, 1488899, 1632986, 2977798, 3265972, 5955596, 9557771, 19115542, 25311283, 38231084, 50622566, 101245132, 162482107, 296290901, 324964214, 592581802, 649928428, 1185163604, 5036945317, 10073890634, 20147781268]

約数ペア:

[(1, 20147781268), (2, 10073890634), (4, 5036945317), (17, 1185163604), (31, 649928428), (34, 592581802), (62, 324964214), (68, 296290901), (124, 162482107), (199, 101245132), (398, 50622566), (527, 38231084), (796, 25311283), (1054, 19115542), (2108, 9557771), (3383, 5955596), (6169, 3265972), (6766, 2977798), (12338, 1632986), (13532, 1488899), (24676, 816493), (48029, 419492), (96058, 209746), (104873, 192116)]