20123986190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{175403}}^1$

素因数の和:175577

約数の個数: 64

約数和(自身を含む): 45464716800

約数和(自身を除く): 25340730610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 149, 154, 298, 385, 745, 770, 1043, 1490, 1639, 2086, 3278, 5215, 8195, 10430, 11473, 16390, 22946, 57365, 114730, 175403, 350806, 877015, 1227821, 1754030, 1929433, 2455642, 3858866, 6139105, 9647165, 12278210, 13506031, 19294330, 26135047, 27012062, 52270094, 67530155, 130675235, 135060310, 182945329, 261350470, 287485517, 365890658, 574971034, 914726645, 1437427585, 1829453290, 2012398619, 2874855170, 4024797238, 10061993095, 20123986190]

約数ペア:

[(1, 20123986190), (2, 10061993095), (5, 4024797238), (7, 2874855170), (10, 2012398619), (11, 1829453290), (14, 1437427585), (22, 914726645), (35, 574971034), (55, 365890658), (70, 287485517), (77, 261350470), (110, 182945329), (149, 135060310), (154, 130675235), (298, 67530155), (385, 52270094), (745, 27012062), (770, 26135047), (1043, 19294330), (1490, 13506031), (1639, 12278210), (2086, 9647165), (3278, 6139105), (5215, 3858866), (8195, 2455642), (10430, 1929433), (11473, 1754030), (16390, 1227821), (22946, 877015), (57365, 350806), (114730, 175403)]