20173938824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{35521}}^1$

素因数の和:35710

約数の個数: 64

約数和(自身を含む): 42012579840

約数和(自身を除く): 21838641016

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 127, 172, 254, 344, 508, 559, 1016, 1118, 1651, 2236, 3302, 4472, 5461, 6604, 10922, 13208, 21844, 35521, 43688, 70993, 71042, 141986, 142084, 283972, 284168, 461773, 567944, 923546, 1527403, 1847092, 3054806, 3694184, 4511167, 6109612, 9022334, 12219224, 18044668, 19856239, 36089336, 39712478, 58645171, 79424956, 117290342, 158849912, 193980181, 234580684, 387960362, 469161368, 775920724, 1551841448, 2521742353, 5043484706, 10086969412, 20173938824]

約数ペア:

[(1, 20173938824), (2, 10086969412), (4, 5043484706), (8, 2521742353), (13, 1551841448), (26, 775920724), (43, 469161368), (52, 387960362), (86, 234580684), (104, 193980181), (127, 158849912), (172, 117290342), (254, 79424956), (344, 58645171), (508, 39712478), (559, 36089336), (1016, 19856239), (1118, 18044668), (1651, 12219224), (2236, 9022334), (3302, 6109612), (4472, 4511167), (5461, 3694184), (6604, 3054806), (10922, 1847092), (13208, 1527403), (21844, 923546), (35521, 567944), (43688, 461773), (70993, 284168), (71042, 283972), (141986, 142084)]