20139609868

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 41381803008

約数和(自身を除く): 21242193140

約数列:

[1, 2, 4, 7, 14, 28, 97, 113, 194, 211, 226, 311, 388, 422, 452, 622, 679, 791, 844, 1244, 1358, 1477, 1582, 2177, 2716, 2954, 3164, 4354, 5908, 8708, 10961, 20467, 21922, 23843, 30167, 35143, 40934, 43844, 47686, 60334, 65621, 70286, 76727, 81868, 95372, 120668, 131242, 140572, 143269, 153454, 166901, 211169, 246001, 262484, 286538, 306908, 333802, 422338, 459347, 492002, 573076, 667604, 844676, 918694, 984004, 1837388, 2312771, 3408871, 4625542, 6365237, 6817742, 7415173, 9251084, 12730474, 13635484, 14830346, 16189397, 23862097, 25460948, 29660692, 32378794, 44556659, 47724194, 51906211, 64757588, 89113318, 95448388, 103812422, 178226636, 207624844, 719271781, 1438543562, 2877087124, 5034902467, 10069804934, 20139609868]

約数ペア:

[(1, 20139609868), (2, 10069804934), (4, 5034902467), (7, 2877087124), (14, 1438543562), (28, 719271781), (97, 207624844), (113, 178226636), (194, 103812422), (211, 95448388), (226, 89113318), (311, 64757588), (388, 51906211), (422, 47724194), (452, 44556659), (622, 32378794), (679, 29660692), (791, 25460948), (844, 23862097), (1244, 16189397), (1358, 14830346), (1477, 13635484), (1582, 12730474), (2177, 9251084), (2716, 7415173), (2954, 6817742), (3164, 6365237), (4354, 4625542), (5908, 3408871), (8708, 2312771), (10961, 1837388), (20467, 984004), (21922, 918694), (23843, 844676), (30167, 667604), (35143, 573076), (40934, 492002), (43844, 459347), (47686, 422338), (60334, 333802), (65621, 306908), (70286, 286538), (76727, 262484), (81868, 246001), (95372, 211169), (120668, 166901), (131242, 153454), (140572, 143269)]