20940224312

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1\times {\mathrm{4261}}^1$

素因数の和:5092

約数の個数: 64

約数和(自身を含む): 45301309440

約数和(自身を除く): 24361085128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 691, 889, 1016, 1382, 1778, 2764, 3556, 4261, 4837, 5528, 7112, 8522, 9674, 17044, 19348, 29827, 34088, 38696, 59654, 87757, 119308, 175514, 238616, 351028, 541147, 614299, 702056, 1082294, 1228598, 2164588, 2457196, 2944351, 3788029, 4329176, 4914392, 5888702, 7576058, 11777404, 15152116, 20610457, 23554808, 30304232, 41220914, 82441828, 164883656, 373932577, 747865154, 1495730308, 2617528039, 2991460616, 5235056078, 10470112156, 20940224312]

約数ペア:

[(1, 20940224312), (2, 10470112156), (4, 5235056078), (7, 2991460616), (8, 2617528039), (14, 1495730308), (28, 747865154), (56, 373932577), (127, 164883656), (254, 82441828), (508, 41220914), (691, 30304232), (889, 23554808), (1016, 20610457), (1382, 15152116), (1778, 11777404), (2764, 7576058), (3556, 5888702), (4261, 4914392), (4837, 4329176), (5528, 3788029), (7112, 2944351), (8522, 2457196), (9674, 2164588), (17044, 1228598), (19348, 1082294), (29827, 702056), (34088, 614299), (38696, 541147), (59654, 351028), (87757, 238616), (119308, 175514)]