20759970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 192

約数和(自身を含む): 67415040

約数和(自身を除く): 46655070

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 43, 55, 57, 66, 70, 77, 86, 95, 105, 110, 114, 121, 129, 133, 154, 165, 190, 209, 210, 215, 231, 242, 258, 266, 285, 301, 330, 363, 385, 399, 418, 430, 462, 473, 570, 602, 605, 627, 645, 665, 726, 770, 798, 817, 847, 903, 946, 1045, 1155, 1210, 1254, 1290, 1330, 1419, 1463, 1505, 1634, 1694, 1806, 1815, 1995, 2090, 2299, 2310, 2365, 2451, 2541, 2838, 2926, 3010, 3135, 3311, 3630, 3990, 4085, 4235, 4389, 4515, 4598, 4730, 4902, 5082, 5203, 5719, 6270, 6622, 6897, 7095, 7315, 8170, 8470, 8778, 8987, 9030, 9933, 10406, 11438, 11495, 12255, 12705, 13794, 14190, 14630, 15609, 16093, 16555, 17157, 17974, 19866, 21945, 22990, 24510, 25410, 26015, 26961, 28595, 31218, 32186, 33110, 34314, 34485, 36421, 43890, 44935, 48279, 49665, 52030, 53922, 57190, 62909, 68970, 72842, 78045, 80465, 85785, 89870, 96558, 98857, 99330, 109263, 125818, 134805, 156090, 160930, 171570, 182105, 188727, 197714, 218526, 241395, 269610, 296571, 314545, 364210, 377454, 482790, 494285, 546315, 593142, 629090, 691999, 943635, 988570, 1092630, 1383998, 1482855, 1887270, 2075997, 2965710, 3459995, 4151994, 6919990, 10379985, 20759970]

約数ペア:

[(1, 20759970), (2, 10379985), (3, 6919990), (5, 4151994), (6, 3459995), (7, 2965710), (10, 2075997), (11, 1887270), (14, 1482855), (15, 1383998), (19, 1092630), (21, 988570), (22, 943635), (30, 691999), (33, 629090), (35, 593142), (38, 546315), (42, 494285), (43, 482790), (55, 377454), (57, 364210), (66, 314545), (70, 296571), (77, 269610), (86, 241395), (95, 218526), (105, 197714), (110, 188727), (114, 182105), (121, 171570), (129, 160930), (133, 156090), (154, 134805), (165, 125818), (190, 109263), (209, 99330), (210, 98857), (215, 96558), (231, 89870), (242, 85785), (258, 80465), (266, 78045), (285, 72842), (301, 68970), (330, 62909), (363, 57190), (385, 53922), (399, 52030), (418, 49665), (430, 48279), (462, 44935), (473, 43890), (570, 36421), (602, 34485), (605, 34314), (627, 33110), (645, 32186), (665, 31218), (726, 28595), (770, 26961), (798, 26015), (817, 25410), (847, 24510), (903, 22990), (946, 21945), (1045, 19866), (1155, 17974), (1210, 17157), (1254, 16555), (1290, 16093), (1330, 15609), (1419, 14630), (1463, 14190), (1505, 13794), (1634, 12705), (1694, 12255), (1806, 11495), (1815, 11438), (1995, 10406), (2090, 9933), (2299, 9030), (2310, 8987), (2365, 8778), (2451, 8470), (2541, 8170), (2838, 7315), (2926, 7095), (3010, 6897), (3135, 6622), (3311, 6270), (3630, 5719), (3990, 5203), (4085, 5082), (4235, 4902), (4389, 4730), (4515, 4598)]