20173964552

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{195469}}^1$

素因数の和:195598

約数の個数: 64

約数和(自身を含む): 45974544000

約数和(自身を除く): 25800579448

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 97, 133, 152, 194, 266, 388, 532, 679, 776, 1064, 1358, 1843, 2716, 3686, 5432, 7372, 12901, 14744, 25802, 51604, 103208, 195469, 390938, 781876, 1368283, 1563752, 2736566, 3713911, 5473132, 7427822, 10946264, 14855644, 18960493, 25997377, 29711288, 37920986, 51994754, 75841972, 103989508, 132723451, 151683944, 207979016, 265446902, 360249367, 530893804, 720498734, 1061787608, 1440997468, 2521745569, 2881994936, 5043491138, 10086982276, 20173964552]

約数ペア:

[(1, 20173964552), (2, 10086982276), (4, 5043491138), (7, 2881994936), (8, 2521745569), (14, 1440997468), (19, 1061787608), (28, 720498734), (38, 530893804), (56, 360249367), (76, 265446902), (97, 207979016), (133, 151683944), (152, 132723451), (194, 103989508), (266, 75841972), (388, 51994754), (532, 37920986), (679, 29711288), (776, 25997377), (1064, 18960493), (1358, 14855644), (1843, 10946264), (2716, 7427822), (3686, 5473132), (5432, 3713911), (7372, 2736566), (12901, 1563752), (14744, 1368283), (25802, 781876), (51604, 390938), (103208, 195469)]