20456445324

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{347}}^1\times {\mathrm{937}}^1$

素因数の和:1412

約数の個数: 144

約数和(自身を含む): 56265052032

約数和(自身を除く): 35808606708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 347, 428, 588, 642, 694, 749, 937, 1041, 1284, 1388, 1498, 1874, 2082, 2247, 2429, 2811, 2996, 3748, 4164, 4494, 4858, 5243, 5622, 6559, 7287, 8988, 9716, 10486, 11244, 13118, 14574, 15729, 17003, 19677, 20972, 26236, 29148, 31458, 34006, 37129, 39354, 45913, 51009, 62916, 68012, 74258, 78708, 91826, 100259, 102018, 111387, 137739, 148516, 183652, 200518, 204036, 222774, 259903, 275478, 300777, 325139, 401036, 445548, 519806, 550956, 601554, 650278, 701813, 779709, 975417, 1039612, 1203108, 1300556, 1403626, 1559418, 1819321, 1950834, 2105439, 2275973, 2807252, 3118836, 3638642, 3901668, 4210878, 4551946, 4912691, 5457963, 6827919, 7277284, 8421756, 9103892, 9825382, 10915926, 13655838, 14738073, 15931811, 19650764, 21831852, 27311676, 29476146, 31863622, 34789873, 47795433, 58952292, 63727244, 69579746, 95590866, 104369619, 139159492, 191181732, 208739238, 243529111, 417478476, 487058222, 730587333, 974116444, 1461174666, 1704703777, 2922349332, 3409407554, 5114111331, 6818815108, 10228222662, 20456445324]

約数ペア:

[(1, 20456445324), (2, 10228222662), (3, 6818815108), (4, 5114111331), (6, 3409407554), (7, 2922349332), (12, 1704703777), (14, 1461174666), (21, 974116444), (28, 730587333), (42, 487058222), (49, 417478476), (84, 243529111), (98, 208739238), (107, 191181732), (147, 139159492), (196, 104369619), (214, 95590866), (294, 69579746), (321, 63727244), (347, 58952292), (428, 47795433), (588, 34789873), (642, 31863622), (694, 29476146), (749, 27311676), (937, 21831852), (1041, 19650764), (1284, 15931811), (1388, 14738073), (1498, 13655838), (1874, 10915926), (2082, 9825382), (2247, 9103892), (2429, 8421756), (2811, 7277284), (2996, 6827919), (3748, 5457963), (4164, 4912691), (4494, 4551946), (4858, 4210878), (5243, 3901668), (5622, 3638642), (6559, 3118836), (7287, 2807252), (8988, 2275973), (9716, 2105439), (10486, 1950834), (11244, 1819321), (13118, 1559418), (14574, 1403626), (15729, 1300556), (17003, 1203108), (19677, 1039612), (20972, 975417), (26236, 779709), (29148, 701813), (31458, 650278), (34006, 601554), (37129, 550956), (39354, 519806), (45913, 445548), (51009, 401036), (62916, 325139), (68012, 300777), (74258, 275478), (78708, 259903), (91826, 222774), (100259, 204036), (102018, 200518), (111387, 183652), (137739, 148516)]