20347790960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{305339}}^1$

素因数の和:305383

約数の個数: 120

約数和(自身を含む): 58269864240

約数和(自身を除く): 37922073280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3332, 3920, 4165, 4760, 6664, 8330, 9520, 13328, 16660, 33320, 66640, 305339, 610678, 1221356, 1526695, 2137373, 2442712, 3053390, 4274746, 4885424, 5190763, 6106780, 8549492, 10381526, 10686865, 12213560, 14961611, 17098984, 20763052, 21373730, 24427120, 25953815, 29923222, 34197968, 36335341, 41526104, 42747460, 51907630, 59846444, 72670682, 74808055, 83052208, 85494920, 103815260, 119692888, 145341364, 149616110, 170989840, 181676705, 207630520, 239385776, 254347387, 290682728, 299232220, 363353410, 415261040, 508694774, 581365456, 598464440, 726706820, 1017389548, 1196928880, 1271736935, 1453413640, 2034779096, 2543473870, 2906827280, 4069558192, 5086947740, 10173895480, 20347790960]

約数ペア:

[(1, 20347790960), (2, 10173895480), (4, 5086947740), (5, 4069558192), (7, 2906827280), (8, 2543473870), (10, 2034779096), (14, 1453413640), (16, 1271736935), (17, 1196928880), (20, 1017389548), (28, 726706820), (34, 598464440), (35, 581365456), (40, 508694774), (49, 415261040), (56, 363353410), (68, 299232220), (70, 290682728), (80, 254347387), (85, 239385776), (98, 207630520), (112, 181676705), (119, 170989840), (136, 149616110), (140, 145341364), (170, 119692888), (196, 103815260), (238, 85494920), (245, 83052208), (272, 74808055), (280, 72670682), (340, 59846444), (392, 51907630), (476, 42747460), (490, 41526104), (560, 36335341), (595, 34197968), (680, 29923222), (784, 25953815), (833, 24427120), (952, 21373730), (980, 20763052), (1190, 17098984), (1360, 14961611), (1666, 12213560), (1904, 10686865), (1960, 10381526), (2380, 8549492), (3332, 6106780), (3920, 5190763), (4165, 4885424), (4760, 4274746), (6664, 3053390), (8330, 2442712), (9520, 2137373), (13328, 1526695), (16660, 1221356), (33320, 610678), (66640, 305339)]