20500256880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{1033}}^1$

素因数の和:1736

約数の個数: 240

約数和(自身を含む): 70625988576

約数和(自身を除く): 50125731696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 641, 645, 688, 720, 774, 860, 1032, 1033, 1282, 1290, 1548, 1720, 1923, 1935, 2064, 2066, 2564, 2580, 3096, 3099, 3205, 3440, 3846, 3870, 4132, 5128, 5160, 5165, 5769, 6192, 6198, 6410, 7692, 7740, 8264, 9297, 9615, 10256, 10320, 10330, 11538, 12396, 12820, 15384, 15480, 15495, 16528, 18594, 19230, 20660, 23076, 24792, 25640, 27563, 28845, 30768, 30960, 30990, 37188, 38460, 41320, 44419, 46152, 46485, 49584, 51280, 55126, 57690, 61980, 74376, 76920, 82640, 82689, 88838, 92304, 92970, 110252, 115380, 123960, 133257, 137815, 148752, 153840, 165378, 177676, 185940, 220504, 222095, 230760, 247920, 248067, 266514, 275630, 330756, 355352, 371880, 399771, 413445, 441008, 444190, 461520, 496134, 533028, 551260, 661512, 662153, 666285, 710704, 743760, 799542, 826890, 888380, 992268, 1066056, 1102520, 1240335, 1323024, 1324306, 1332570, 1599084, 1653780, 1776760, 1984536, 1986459, 1998855, 2132112, 2205040, 2480670, 2648612, 2665140, 3198168, 3307560, 3310765, 3553520, 3969072, 3972918, 3997710, 4961340, 5297224, 5330280, 5959377, 6396336, 6615120, 6621530, 7945836, 7995420, 9922680, 9932295, 10594448, 10660560, 11918754, 13243060, 15891672, 15990840, 19845360, 19864590, 23837508, 26486120, 28472579, 29796885, 31783344, 31981680, 39729180, 47675016, 52972240, 56945158, 59593770, 79458360, 85417737, 95350032, 113890316, 119187540, 142362895, 158916720, 170835474, 227780632, 238375080, 256253211, 284725790, 341670948, 427088685, 455561264, 476750160, 512506422, 569451580, 683341896, 854177370, 1025012844, 1138903160, 1281266055, 1366683792, 1708354740, 2050025688, 2277806320, 2562532110, 3416709480, 4100051376, 5125064220, 6833418960, 10250128440, 20500256880]

約数ペア:

[(1, 20500256880), (2, 10250128440), (3, 6833418960), (4, 5125064220), (5, 4100051376), (6, 3416709480), (8, 2562532110), (9, 2277806320), (10, 2050025688), (12, 1708354740), (15, 1366683792), (16, 1281266055), (18, 1138903160), (20, 1025012844), (24, 854177370), (30, 683341896), (36, 569451580), (40, 512506422), (43, 476750160), (45, 455561264), (48, 427088685), (60, 341670948), (72, 284725790), (80, 256253211), (86, 238375080), (90, 227780632), (120, 170835474), (129, 158916720), (144, 142362895), (172, 119187540), (180, 113890316), (215, 95350032), (240, 85417737), (258, 79458360), (344, 59593770), (360, 56945158), (387, 52972240), (430, 47675016), (516, 39729180), (641, 31981680), (645, 31783344), (688, 29796885), (720, 28472579), (774, 26486120), (860, 23837508), (1032, 19864590), (1033, 19845360), (1282, 15990840), (1290, 15891672), (1548, 13243060), (1720, 11918754), (1923, 10660560), (1935, 10594448), (2064, 9932295), (2066, 9922680), (2564, 7995420), (2580, 7945836), (3096, 6621530), (3099, 6615120), (3205, 6396336), (3440, 5959377), (3846, 5330280), (3870, 5297224), (4132, 4961340), (5128, 3997710), (5160, 3972918), (5165, 3969072), (5769, 3553520), (6192, 3310765), (6198, 3307560), (6410, 3198168), (7692, 2665140), (7740, 2648612), (8264, 2480670), (9297, 2205040), (9615, 2132112), (10256, 1998855), (10320, 1986459), (10330, 1984536), (11538, 1776760), (12396, 1653780), (12820, 1599084), (15384, 1332570), (15480, 1324306), (15495, 1323024), (16528, 1240335), (18594, 1102520), (19230, 1066056), (20660, 992268), (23076, 888380), (24792, 826890), (25640, 799542), (27563, 743760), (28845, 710704), (30768, 666285), (30960, 662153), (30990, 661512), (37188, 551260), (38460, 533028), (41320, 496134), (44419, 461520), (46152, 444190), (46485, 441008), (49584, 413445), (51280, 399771), (55126, 371880), (57690, 355352), (61980, 330756), (74376, 275630), (76920, 266514), (82640, 248067), (82689, 247920), (88838, 230760), (92304, 222095), (92970, 220504), (110252, 185940), (115380, 177676), (123960, 165378), (133257, 153840), (137815, 148752)]