20565286784

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{10631}}^1$

素因数の和:10796

約数の個数: 128

約数和(自身を含む): 49972101120

約数和(自身を除く): 29406814336

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 127, 128, 136, 224, 238, 254, 272, 448, 476, 508, 544, 889, 896, 952, 1016, 1088, 1778, 1904, 2032, 2159, 2176, 3556, 3808, 4064, 4318, 7112, 7616, 8128, 8636, 10631, 14224, 15113, 15232, 16256, 17272, 21262, 28448, 30226, 34544, 42524, 56896, 60452, 69088, 74417, 85048, 113792, 120904, 138176, 148834, 170096, 180727, 241808, 276352, 297668, 340192, 361454, 483616, 595336, 680384, 722908, 967232, 1190672, 1265089, 1350137, 1360768, 1445816, 1934464, 2381344, 2530178, 2700274, 2891632, 4762688, 5060356, 5400548, 5783264, 9450959, 9525376, 10120712, 10801096, 11566528, 18901918, 20241424, 21602192, 22952329, 23133056, 37803836, 40482848, 43204384, 45904658, 75607672, 80965696, 86408768, 91809316, 151215344, 160666303, 161931392, 172817536, 183618632, 302430688, 321332606, 367237264, 604861376, 642665212, 734474528, 1209722752, 1285330424, 1468949056, 2570660848, 2937898112, 5141321696, 10282643392, 20565286784]

約数ペア:

[(1, 20565286784), (2, 10282643392), (4, 5141321696), (7, 2937898112), (8, 2570660848), (14, 1468949056), (16, 1285330424), (17, 1209722752), (28, 734474528), (32, 642665212), (34, 604861376), (56, 367237264), (64, 321332606), (68, 302430688), (112, 183618632), (119, 172817536), (127, 161931392), (128, 160666303), (136, 151215344), (224, 91809316), (238, 86408768), (254, 80965696), (272, 75607672), (448, 45904658), (476, 43204384), (508, 40482848), (544, 37803836), (889, 23133056), (896, 22952329), (952, 21602192), (1016, 20241424), (1088, 18901918), (1778, 11566528), (1904, 10801096), (2032, 10120712), (2159, 9525376), (2176, 9450959), (3556, 5783264), (3808, 5400548), (4064, 5060356), (4318, 4762688), (7112, 2891632), (7616, 2700274), (8128, 2530178), (8636, 2381344), (10631, 1934464), (14224, 1445816), (15113, 1360768), (15232, 1350137), (16256, 1265089), (17272, 1190672), (21262, 967232), (28448, 722908), (30226, 680384), (34544, 595336), (42524, 483616), (56896, 361454), (60452, 340192), (69088, 297668), (74417, 276352), (85048, 241808), (113792, 180727), (120904, 170096), (138176, 148834)]