20512472970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{79589}}^1$

素因数の和:79692

約数の個数: 96

約数和(自身を含む): 54875076480

約数和(自身を除く): 34362603510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 121, 142, 165, 213, 242, 330, 355, 363, 426, 605, 710, 726, 781, 1065, 1210, 1562, 1815, 2130, 2343, 3630, 3905, 4686, 7810, 8591, 11715, 17182, 23430, 25773, 42955, 51546, 79589, 85910, 128865, 159178, 238767, 257730, 397945, 477534, 795890, 875479, 1193835, 1750958, 2387670, 2626437, 4377395, 5252874, 5650819, 8754790, 9630269, 11301638, 13132185, 16952457, 19260538, 26264370, 28254095, 28890807, 33904914, 48151345, 56508190, 57781614, 62159009, 84762285, 96302690, 124318018, 144454035, 169524570, 186477027, 288908070, 310795045, 372954054, 621590090, 683749099, 932385135, 1367498198, 1864770270, 2051247297, 3418745495, 4102494594, 6837490990, 10256236485, 20512472970]

約数ペア:

[(1, 20512472970), (2, 10256236485), (3, 6837490990), (5, 4102494594), (6, 3418745495), (10, 2051247297), (11, 1864770270), (15, 1367498198), (22, 932385135), (30, 683749099), (33, 621590090), (55, 372954054), (66, 310795045), (71, 288908070), (110, 186477027), (121, 169524570), (142, 144454035), (165, 124318018), (213, 96302690), (242, 84762285), (330, 62159009), (355, 57781614), (363, 56508190), (426, 48151345), (605, 33904914), (710, 28890807), (726, 28254095), (781, 26264370), (1065, 19260538), (1210, 16952457), (1562, 13132185), (1815, 11301638), (2130, 9630269), (2343, 8754790), (3630, 5650819), (3905, 5252874), (4686, 4377395), (7810, 2626437), (8591, 2387670), (11715, 1750958), (17182, 1193835), (23430, 875479), (25773, 795890), (42955, 477534), (51546, 397945), (79589, 257730), (85910, 238767), (128865, 159178)]