20805216318

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{3673}}^1$

素因数の和:3978

約数の個数: 96

約数和(自身を含む): 48467349216

約数和(自身を除く): 27662132898

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 107, 153, 173, 214, 306, 321, 346, 519, 642, 963, 1038, 1557, 1819, 1926, 2941, 3114, 3638, 3673, 5457, 5882, 7346, 8823, 10914, 11019, 16371, 17646, 18511, 22038, 26469, 32742, 33057, 37022, 52938, 55533, 62441, 66114, 111066, 124882, 166599, 187323, 314687, 333198, 374646, 393011, 561969, 629374, 635429, 786022, 944061, 1123938, 1179033, 1270858, 1888122, 1906287, 2358066, 2832183, 3537099, 3812574, 5664366, 5718861, 6681187, 7074198, 10802293, 11437722, 13362374, 20043561, 21604586, 32406879, 40087122, 60130683, 64813758, 67990903, 97220637, 120261366, 135981806, 194441274, 203972709, 407945418, 611918127, 1155845351, 1223836254, 2311690702, 3467536053, 6935072106, 10402608159, 20805216318]

約数ペア:

[(1, 20805216318), (2, 10402608159), (3, 6935072106), (6, 3467536053), (9, 2311690702), (17, 1223836254), (18, 1155845351), (34, 611918127), (51, 407945418), (102, 203972709), (107, 194441274), (153, 135981806), (173, 120261366), (214, 97220637), (306, 67990903), (321, 64813758), (346, 60130683), (519, 40087122), (642, 32406879), (963, 21604586), (1038, 20043561), (1557, 13362374), (1819, 11437722), (1926, 10802293), (2941, 7074198), (3114, 6681187), (3638, 5718861), (3673, 5664366), (5457, 3812574), (5882, 3537099), (7346, 2832183), (8823, 2358066), (10914, 1906287), (11019, 1888122), (16371, 1270858), (17646, 1179033), (18511, 1123938), (22038, 944061), (26469, 786022), (32742, 635429), (33057, 629374), (37022, 561969), (52938, 393011), (55533, 374646), (62441, 333198), (66114, 314687), (111066, 187323), (124882, 166599)]