20918166048

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 288

約数和(自身を含む): 65383718400

約数和(自身を除く): 44465552352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 79, 96, 104, 117, 144, 156, 158, 197, 208, 234, 237, 288, 312, 316, 359, 394, 416, 468, 474, 591, 624, 632, 711, 718, 788, 936, 948, 1027, 1077, 1182, 1248, 1264, 1422, 1436, 1576, 1773, 1872, 1896, 2054, 2154, 2364, 2528, 2561, 2844, 2872, 3081, 3152, 3231, 3546, 3744, 3792, 4108, 4308, 4667, 4728, 5122, 5688, 5744, 6162, 6304, 6462, 7092, 7584, 7683, 8216, 8616, 9243, 9334, 9456, 10244, 11376, 11488, 12324, 12924, 14001, 14184, 15366, 15563, 16432, 17232, 18486, 18668, 18912, 20488, 22752, 23049, 24648, 25848, 28002, 28361, 28368, 30732, 31126, 32864, 34464, 36972, 37336, 40976, 42003, 46098, 46689, 49296, 51696, 56004, 56722, 56736, 61464, 62252, 70723, 73944, 74672, 81952, 84006, 85083, 92196, 93378, 98592, 103392, 112008, 113444, 122928, 124504, 140067, 141446, 147888, 149344, 168012, 170166, 184392, 186756, 202319, 212169, 224016, 226888, 245856, 249008, 255249, 280134, 282892, 295776, 336024, 340332, 368693, 368784, 373512, 404638, 424338, 448032, 453776, 498016, 510498, 560268, 565784, 606957, 636507, 672048, 680664, 737386, 737568, 747024, 809276, 848676, 907552, 919399, 1020996, 1106079, 1120536, 1131568, 1213914, 1273014, 1344096, 1361328, 1474772, 1494048, 1618552, 1697352, 1820871, 1838798, 2041992, 2212158, 2241072, 2263136, 2427828, 2546028, 2722656, 2758197, 2949544, 3237104, 3318237, 3394704, 3641742, 3677596, 4083984, 4424316, 4482144, 4855656, 5092056, 5516394, 5587117, 5899088, 6474208, 6636474, 6789408, 7283484, 7355192, 8167968, 8274591, 8848632, 9711312, 10184112, 11032788, 11174234, 11798176, 13272948, 14566968, 14710384, 16549182, 16761351, 17697264, 19422624, 20368224, 22065576, 22348468, 26545896, 29133936, 29420768, 33098364, 33522702, 35394528, 44131152, 44696936, 50284053, 53091792, 58267872, 66196728, 67045404, 72632521, 88262304, 89393872, 100568106, 106183584, 132393456, 134090808, 145265042, 178787744, 201136212, 217897563, 264786912, 268181616, 290530084, 402272424, 435795126, 536363232, 581060168, 653692689, 804544848, 871590252, 1162120336, 1307385378, 1609089696, 1743180504, 2324240672, 2614770756, 3486361008, 5229541512, 6972722016, 10459083024, 20918166048]

約数ペア:

[(1, 20918166048), (2, 10459083024), (3, 6972722016), (4, 5229541512), (6, 3486361008), (8, 2614770756), (9, 2324240672), (12, 1743180504), (13, 1609089696), (16, 1307385378), (18, 1162120336), (24, 871590252), (26, 804544848), (32, 653692689), (36, 581060168), (39, 536363232), (48, 435795126), (52, 402272424), (72, 290530084), (78, 268181616), (79, 264786912), (96, 217897563), (104, 201136212), (117, 178787744), (144, 145265042), (156, 134090808), (158, 132393456), (197, 106183584), (208, 100568106), (234, 89393872), (237, 88262304), (288, 72632521), (312, 67045404), (316, 66196728), (359, 58267872), (394, 53091792), (416, 50284053), (468, 44696936), (474, 44131152), (591, 35394528), (624, 33522702), (632, 33098364), (711, 29420768), (718, 29133936), (788, 26545896), (936, 22348468), (948, 22065576), (1027, 20368224), (1077, 19422624), (1182, 17697264), (1248, 16761351), (1264, 16549182), (1422, 14710384), (1436, 14566968), (1576, 13272948), (1773, 11798176), (1872, 11174234), (1896, 11032788), (2054, 10184112), (2154, 9711312), (2364, 8848632), (2528, 8274591), (2561, 8167968), (2844, 7355192), (2872, 7283484), (3081, 6789408), (3152, 6636474), (3231, 6474208), (3546, 5899088), (3744, 5587117), (3792, 5516394), (4108, 5092056), (4308, 4855656), (4667, 4482144), (4728, 4424316), (5122, 4083984), (5688, 3677596), (5744, 3641742), (6162, 3394704), (6304, 3318237), (6462, 3237104), (7092, 2949544), (7584, 2758197), (7683, 2722656), (8216, 2546028), (8616, 2427828), (9243, 2263136), (9334, 2241072), (9456, 2212158), (10244, 2041992), (11376, 1838798), (11488, 1820871), (12324, 1697352), (12924, 1618552), (14001, 1494048), (14184, 1474772), (15366, 1361328), (15563, 1344096), (16432, 1273014), (17232, 1213914), (18486, 1131568), (18668, 1120536), (18912, 1106079), (20488, 1020996), (22752, 919399), (23049, 907552), (24648, 848676), (25848, 809276), (28002, 747024), (28361, 737568), (28368, 737386), (30732, 680664), (31126, 672048), (32864, 636507), (34464, 606957), (36972, 565784), (37336, 560268), (40976, 510498), (42003, 498016), (46098, 453776), (46689, 448032), (49296, 424338), (51696, 404638), (56004, 373512), (56722, 368784), (56736, 368693), (61464, 340332), (62252, 336024), (70723, 295776), (73944, 282892), (74672, 280134), (81952, 255249), (84006, 249008), (85083, 245856), (92196, 226888), (93378, 224016), (98592, 212169), (103392, 202319), (112008, 186756), (113444, 184392), (122928, 170166), (124504, 168012), (140067, 149344), (141446, 147888)]