20168331648

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 256

約数和(自身を含む): 57330201600

約数和(自身を除く): 37161869952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 41, 48, 58, 64, 82, 87, 96, 116, 123, 128, 163, 164, 174, 192, 232, 246, 271, 326, 328, 348, 384, 464, 489, 492, 542, 652, 656, 696, 813, 928, 978, 984, 1084, 1189, 1304, 1312, 1392, 1626, 1856, 1956, 1968, 2168, 2378, 2608, 2624, 2784, 3252, 3567, 3712, 3912, 3936, 4336, 4727, 4756, 5216, 5248, 5568, 6504, 6683, 7134, 7824, 7859, 7872, 8672, 9454, 9512, 10432, 11111, 11136, 13008, 13366, 14181, 14268, 15648, 15718, 15744, 17344, 18908, 19024, 20049, 20864, 22222, 23577, 26016, 26732, 28362, 28536, 31296, 31436, 33333, 34688, 37816, 38048, 40098, 44173, 44444, 47154, 52032, 53464, 56724, 57072, 62592, 62872, 66666, 75632, 76096, 80196, 88346, 88888, 94308, 104064, 106928, 113448, 114144, 125744, 132519, 133332, 151264, 152192, 160392, 176692, 177776, 188616, 193807, 213856, 226896, 228288, 251488, 265038, 266664, 302528, 320784, 322219, 353384, 355552, 377232, 387614, 427712, 453792, 456576, 502976, 530076, 533328, 581421, 605056, 641568, 644438, 706768, 711104, 754464, 775228, 855424, 907584, 966657, 1005952, 1060152, 1066656, 1162842, 1281017, 1283136, 1288876, 1413536, 1422208, 1508928, 1550456, 1811093, 1815168, 1933314, 2120304, 2133312, 2325684, 2562034, 2566272, 2577752, 2827072, 3017856, 3100912, 3622186, 3843051, 3866628, 4240608, 4266624, 4651368, 5124068, 5155504, 5433279, 5654144, 6201824, 7244372, 7686102, 7733256, 8481216, 9302736, 10248136, 10311008, 10866558, 12403648, 14488744, 15372204, 15466512, 16962432, 18605472, 20496272, 20622016, 21733116, 24807296, 28977488, 30744408, 30933024, 37210944, 40992544, 41244032, 43466232, 52521697, 57954976, 61488816, 61866048, 74421888, 81985088, 86932464, 105043394, 115909952, 122977632, 123732096, 157565091, 163970176, 173864928, 210086788, 231819904, 245955264, 315130182, 347729856, 420173576, 491910528, 630260364, 695459712, 840347152, 1260520728, 1680694304, 2521041456, 3361388608, 5042082912, 6722777216, 10084165824, 20168331648]

約数ペア:

[(1, 20168331648), (2, 10084165824), (3, 6722777216), (4, 5042082912), (6, 3361388608), (8, 2521041456), (12, 1680694304), (16, 1260520728), (24, 840347152), (29, 695459712), (32, 630260364), (41, 491910528), (48, 420173576), (58, 347729856), (64, 315130182), (82, 245955264), (87, 231819904), (96, 210086788), (116, 173864928), (123, 163970176), (128, 157565091), (163, 123732096), (164, 122977632), (174, 115909952), (192, 105043394), (232, 86932464), (246, 81985088), (271, 74421888), (326, 61866048), (328, 61488816), (348, 57954976), (384, 52521697), (464, 43466232), (489, 41244032), (492, 40992544), (542, 37210944), (652, 30933024), (656, 30744408), (696, 28977488), (813, 24807296), (928, 21733116), (978, 20622016), (984, 20496272), (1084, 18605472), (1189, 16962432), (1304, 15466512), (1312, 15372204), (1392, 14488744), (1626, 12403648), (1856, 10866558), (1956, 10311008), (1968, 10248136), (2168, 9302736), (2378, 8481216), (2608, 7733256), (2624, 7686102), (2784, 7244372), (3252, 6201824), (3567, 5654144), (3712, 5433279), (3912, 5155504), (3936, 5124068), (4336, 4651368), (4727, 4266624), (4756, 4240608), (5216, 3866628), (5248, 3843051), (5568, 3622186), (6504, 3100912), (6683, 3017856), (7134, 2827072), (7824, 2577752), (7859, 2566272), (7872, 2562034), (8672, 2325684), (9454, 2133312), (9512, 2120304), (10432, 1933314), (11111, 1815168), (11136, 1811093), (13008, 1550456), (13366, 1508928), (14181, 1422208), (14268, 1413536), (15648, 1288876), (15718, 1283136), (15744, 1281017), (17344, 1162842), (18908, 1066656), (19024, 1060152), (20049, 1005952), (20864, 966657), (22222, 907584), (23577, 855424), (26016, 775228), (26732, 754464), (28362, 711104), (28536, 706768), (31296, 644438), (31436, 641568), (33333, 605056), (34688, 581421), (37816, 533328), (38048, 530076), (40098, 502976), (44173, 456576), (44444, 453792), (47154, 427712), (52032, 387614), (53464, 377232), (56724, 355552), (57072, 353384), (62592, 322219), (62872, 320784), (66666, 302528), (75632, 266664), (76096, 265038), (80196, 251488), (88346, 228288), (88888, 226896), (94308, 213856), (104064, 193807), (106928, 188616), (113448, 177776), (114144, 176692), (125744, 160392), (132519, 152192), (133332, 151264)]