20237871357

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1708

約数の個数: 128

約数和(自身を含む): 36251712000

約数和(自身を除く): 16013840643

約数列:

[1, 3, 9, 11, 17, 27, 29, 33, 51, 87, 89, 99, 153, 187, 261, 267, 297, 319, 459, 493, 561, 783, 801, 957, 979, 1479, 1513, 1553, 1683, 2403, 2581, 2871, 2937, 4437, 4539, 4659, 5049, 5423, 7743, 8613, 8811, 13311, 13617, 13977, 16269, 16643, 17083, 23229, 26401, 26433, 28391, 40851, 41931, 43877, 45037, 48807, 49929, 51249, 69687, 79203, 85173, 131631, 135111, 138217, 146421, 149787, 153747, 237609, 255519, 290411, 394893, 405333, 414651, 449361, 461241, 482647, 495407, 712827, 765629, 766557, 871233, 1184679, 1215999, 1243953, 1447941, 1486221, 1520387, 2296887, 2349689, 2613699, 3731859, 4008293, 4343823, 4458663, 4561161, 6890661, 7049067, 7841097, 8421919, 12024879, 13031469, 13375989, 13683483, 20671983, 21147201, 25265757, 25846579, 36074637, 41050449, 44091223, 63441603, 68140981, 75797271, 77539737, 108223911, 132273669, 204422943, 227391813, 232619211, 396821007, 613268829, 697857633, 749550791, 1190463021, 1839806487, 2248652373, 6745957119, 20237871357]

約数ペア:

[(1, 20237871357), (3, 6745957119), (9, 2248652373), (11, 1839806487), (17, 1190463021), (27, 749550791), (29, 697857633), (33, 613268829), (51, 396821007), (87, 232619211), (89, 227391813), (99, 204422943), (153, 132273669), (187, 108223911), (261, 77539737), (267, 75797271), (297, 68140981), (319, 63441603), (459, 44091223), (493, 41050449), (561, 36074637), (783, 25846579), (801, 25265757), (957, 21147201), (979, 20671983), (1479, 13683483), (1513, 13375989), (1553, 13031469), (1683, 12024879), (2403, 8421919), (2581, 7841097), (2871, 7049067), (2937, 6890661), (4437, 4561161), (4539, 4458663), (4659, 4343823), (5049, 4008293), (5423, 3731859), (7743, 2613699), (8613, 2349689), (8811, 2296887), (13311, 1520387), (13617, 1486221), (13977, 1447941), (16269, 1243953), (16643, 1215999), (17083, 1184679), (23229, 871233), (26401, 766557), (26433, 765629), (28391, 712827), (40851, 495407), (41931, 482647), (43877, 461241), (45037, 449361), (48807, 414651), (49929, 405333), (51249, 394893), (69687, 290411), (79203, 255519), (85173, 237609), (131631, 153747), (135111, 149787), (138217, 146421)]