20408833984

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:976

約数の個数: 336

約数和(自身を含む): 55539924480

約数和(自身を除く): 35131090496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 29, 32, 44, 46, 49, 56, 58, 64, 77, 88, 92, 98, 112, 116, 154, 161, 176, 184, 196, 203, 224, 232, 253, 308, 319, 322, 352, 368, 392, 406, 448, 464, 506, 539, 616, 638, 644, 667, 704, 736, 784, 812, 887, 928, 1012, 1078, 1127, 1232, 1276, 1288, 1334, 1421, 1472, 1568, 1624, 1771, 1774, 1856, 2024, 2156, 2233, 2254, 2464, 2552, 2576, 2668, 2842, 3136, 3248, 3542, 3548, 4048, 4312, 4466, 4508, 4669, 4928, 5104, 5152, 5336, 5684, 6209, 6496, 7084, 7096, 7337, 8096, 8624, 8932, 9016, 9338, 9757, 10208, 10304, 10672, 11368, 12397, 12418, 12992, 14168, 14192, 14674, 15631, 16192, 17248, 17864, 18032, 18676, 19514, 20401, 20416, 21344, 22736, 24794, 24836, 25723, 28336, 28384, 29348, 31262, 32683, 34496, 35728, 36064, 37352, 39028, 40802, 42688, 43463, 45472, 49588, 49672, 51359, 51446, 56672, 56768, 58696, 62524, 65366, 68299, 71456, 72128, 74704, 78056, 81604, 86926, 90944, 99176, 99344, 102718, 102892, 113344, 117392, 125048, 130732, 136598, 142807, 142912, 149408, 156112, 163208, 173852, 180061, 198352, 198688, 205436, 205784, 224411, 234784, 250096, 261464, 273196, 282953, 285614, 298816, 312224, 326416, 347704, 359513, 360122, 396704, 397376, 410872, 411568, 448822, 469568, 478093, 500192, 522928, 546392, 565906, 571228, 591629, 624448, 652832, 695408, 719026, 720244, 793408, 821744, 823136, 897644, 956186, 999649, 1000384, 1045856, 1092784, 1131812, 1142456, 1183258, 1260427, 1305664, 1390816, 1438052, 1440488, 1570877, 1643488, 1646272, 1795288, 1912372, 1980671, 1999298, 2091712, 2185568, 2263624, 2284912, 2366516, 2520854, 2781632, 2876104, 2880976, 3141754, 3286976, 3590576, 3824744, 3961342, 3998596, 4141403, 4371136, 4527248, 4569824, 4733032, 5041708, 5752208, 5761952, 6283508, 6507919, 7181152, 7649488, 7922684, 7997192, 8282806, 9054496, 9139648, 9466064, 10083416, 10996139, 11504416, 11523904, 12567016, 13015838, 13864697, 14362304, 15298976, 15845368, 15994384, 16565612, 18108992, 18932128, 20166832, 21992278, 23008832, 25134032, 26031676, 27729394, 28989821, 30597952, 31690736, 31988768, 33131224, 37864256, 40333664, 43984556, 45555433, 50268064, 52063352, 55458788, 57979642, 63381472, 63977536, 66262448, 80667328, 87969112, 91110866, 100536128, 104126704, 110917576, 115959284, 126762944, 132524896, 175938224, 182221732, 208253408, 221835152, 231918568, 265049792, 318888031, 351876448, 364443464, 416506816, 443670304, 463837136, 637776062, 703752896, 728886928, 887340608, 927674272, 1275552124, 1457773856, 1855348544, 2551104248, 2915547712, 5102208496, 10204416992, 20408833984]

約数ペア:

[(1, 20408833984), (2, 10204416992), (4, 5102208496), (7, 2915547712), (8, 2551104248), (11, 1855348544), (14, 1457773856), (16, 1275552124), (22, 927674272), (23, 887340608), (28, 728886928), (29, 703752896), (32, 637776062), (44, 463837136), (46, 443670304), (49, 416506816), (56, 364443464), (58, 351876448), (64, 318888031), (77, 265049792), (88, 231918568), (92, 221835152), (98, 208253408), (112, 182221732), (116, 175938224), (154, 132524896), (161, 126762944), (176, 115959284), (184, 110917576), (196, 104126704), (203, 100536128), (224, 91110866), (232, 87969112), (253, 80667328), (308, 66262448), (319, 63977536), (322, 63381472), (352, 57979642), (368, 55458788), (392, 52063352), (406, 50268064), (448, 45555433), (464, 43984556), (506, 40333664), (539, 37864256), (616, 33131224), (638, 31988768), (644, 31690736), (667, 30597952), (704, 28989821), (736, 27729394), (784, 26031676), (812, 25134032), (887, 23008832), (928, 21992278), (1012, 20166832), (1078, 18932128), (1127, 18108992), (1232, 16565612), (1276, 15994384), (1288, 15845368), (1334, 15298976), (1421, 14362304), (1472, 13864697), (1568, 13015838), (1624, 12567016), (1771, 11523904), (1774, 11504416), (1856, 10996139), (2024, 10083416), (2156, 9466064), (2233, 9139648), (2254, 9054496), (2464, 8282806), (2552, 7997192), (2576, 7922684), (2668, 7649488), (2842, 7181152), (3136, 6507919), (3248, 6283508), (3542, 5761952), (3548, 5752208), (4048, 5041708), (4312, 4733032), (4466, 4569824), (4508, 4527248), (4669, 4371136), (4928, 4141403), (5104, 3998596), (5152, 3961342), (5336, 3824744), (5684, 3590576), (6209, 3286976), (6496, 3141754), (7084, 2880976), (7096, 2876104), (7337, 2781632), (8096, 2520854), (8624, 2366516), (8932, 2284912), (9016, 2263624), (9338, 2185568), (9757, 2091712), (10208, 1999298), (10304, 1980671), (10672, 1912372), (11368, 1795288), (12397, 1646272), (12418, 1643488), (12992, 1570877), (14168, 1440488), (14192, 1438052), (14674, 1390816), (15631, 1305664), (16192, 1260427), (17248, 1183258), (17864, 1142456), (18032, 1131812), (18676, 1092784), (19514, 1045856), (20401, 1000384), (20416, 999649), (21344, 956186), (22736, 897644), (24794, 823136), (24836, 821744), (25723, 793408), (28336, 720244), (28384, 719026), (29348, 695408), (31262, 652832), (32683, 624448), (34496, 591629), (35728, 571228), (36064, 565906), (37352, 546392), (39028, 522928), (40802, 500192), (42688, 478093), (43463, 469568), (45472, 448822), (49588, 411568), (49672, 410872), (51359, 397376), (51446, 396704), (56672, 360122), (56768, 359513), (58696, 347704), (62524, 326416), (65366, 312224), (68299, 298816), (71456, 285614), (72128, 282953), (74704, 273196), (78056, 261464), (81604, 250096), (86926, 234784), (90944, 224411), (99176, 205784), (99344, 205436), (102718, 198688), (102892, 198352), (113344, 180061), (117392, 173852), (125048, 163208), (130732, 156112), (136598, 149408), (142807, 142912)]