20457211488

素因数分解:

$2^5\times 3^1\times 7^5\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 288

約数和(自身を含む): 64828753920

約数和(自身を除く): 44371542432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 147, 168, 186, 196, 217, 224, 248, 294, 336, 343, 372, 392, 409, 434, 496, 588, 651, 672, 686, 744, 784, 818, 868, 992, 1029, 1176, 1227, 1302, 1372, 1488, 1519, 1568, 1636, 1736, 2058, 2352, 2401, 2454, 2604, 2744, 2863, 2976, 3038, 3272, 3472, 4116, 4557, 4704, 4802, 4908, 5208, 5488, 5726, 6076, 6544, 6944, 7203, 8232, 8589, 9114, 9604, 9816, 10416, 10633, 10976, 11452, 12152, 12679, 13088, 14406, 16464, 16807, 17178, 18228, 19208, 19632, 20041, 20832, 21266, 22904, 24304, 25358, 28812, 31899, 32928, 33614, 34356, 36456, 38037, 38416, 39264, 40082, 42532, 45808, 48608, 50421, 50716, 57624, 60123, 63798, 67228, 68712, 72912, 74431, 76074, 76832, 80164, 85064, 88753, 91616, 100842, 101432, 115248, 120246, 127596, 134456, 137424, 140287, 145824, 148862, 152148, 160328, 170128, 177506, 201684, 202864, 223293, 230496, 240492, 255192, 266259, 268912, 274848, 280574, 297724, 304296, 320656, 340256, 355012, 403368, 405728, 420861, 446586, 480984, 510384, 521017, 532518, 537824, 561148, 595448, 608592, 621271, 641312, 710024, 806736, 841722, 893172, 961968, 982009, 1020768, 1042034, 1065036, 1122296, 1190896, 1217184, 1242542, 1420048, 1563051, 1613472, 1683444, 1786344, 1863813, 1923936, 1964018, 2084068, 2130072, 2244592, 2381792, 2485084, 2840096, 2946027, 3126102, 3366888, 3572688, 3727626, 3928036, 4168136, 4260144, 4348897, 4489184, 4970168, 5892054, 6252204, 6733776, 6874063, 7145376, 7455252, 7856072, 8336272, 8520288, 8697794, 9940336, 11784108, 12504408, 13046691, 13467552, 13748126, 14910504, 15712144, 16672544, 17395588, 19880672, 20622189, 23568216, 25008816, 26093382, 27496252, 29821008, 30442279, 31424288, 34791176, 41244378, 47136432, 50017632, 52186764, 54992504, 59642016, 60884558, 69582352, 82488756, 91326837, 94272864, 104373528, 109985008, 121769116, 139164704, 164977512, 182653674, 208747056, 213095953, 219970016, 243538232, 329955024, 365307348, 417494112, 426191906, 487076464, 639287859, 659910048, 730614696, 852383812, 974152928, 1278575718, 1461229392, 1704767624, 2557151436, 2922458784, 3409535248, 5114302872, 6819070496, 10228605744, 20457211488]

約数ペア:

[(1, 20457211488), (2, 10228605744), (3, 6819070496), (4, 5114302872), (6, 3409535248), (7, 2922458784), (8, 2557151436), (12, 1704767624), (14, 1461229392), (16, 1278575718), (21, 974152928), (24, 852383812), (28, 730614696), (31, 659910048), (32, 639287859), (42, 487076464), (48, 426191906), (49, 417494112), (56, 365307348), (62, 329955024), (84, 243538232), (93, 219970016), (96, 213095953), (98, 208747056), (112, 182653674), (124, 164977512), (147, 139164704), (168, 121769116), (186, 109985008), (196, 104373528), (217, 94272864), (224, 91326837), (248, 82488756), (294, 69582352), (336, 60884558), (343, 59642016), (372, 54992504), (392, 52186764), (409, 50017632), (434, 47136432), (496, 41244378), (588, 34791176), (651, 31424288), (672, 30442279), (686, 29821008), (744, 27496252), (784, 26093382), (818, 25008816), (868, 23568216), (992, 20622189), (1029, 19880672), (1176, 17395588), (1227, 16672544), (1302, 15712144), (1372, 14910504), (1488, 13748126), (1519, 13467552), (1568, 13046691), (1636, 12504408), (1736, 11784108), (2058, 9940336), (2352, 8697794), (2401, 8520288), (2454, 8336272), (2604, 7856072), (2744, 7455252), (2863, 7145376), (2976, 6874063), (3038, 6733776), (3272, 6252204), (3472, 5892054), (4116, 4970168), (4557, 4489184), (4704, 4348897), (4802, 4260144), (4908, 4168136), (5208, 3928036), (5488, 3727626), (5726, 3572688), (6076, 3366888), (6544, 3126102), (6944, 2946027), (7203, 2840096), (8232, 2485084), (8589, 2381792), (9114, 2244592), (9604, 2130072), (9816, 2084068), (10416, 1964018), (10633, 1923936), (10976, 1863813), (11452, 1786344), (12152, 1683444), (12679, 1613472), (13088, 1563051), (14406, 1420048), (16464, 1242542), (16807, 1217184), (17178, 1190896), (18228, 1122296), (19208, 1065036), (19632, 1042034), (20041, 1020768), (20832, 982009), (21266, 961968), (22904, 893172), (24304, 841722), (25358, 806736), (28812, 710024), (31899, 641312), (32928, 621271), (33614, 608592), (34356, 595448), (36456, 561148), (38037, 537824), (38416, 532518), (39264, 521017), (40082, 510384), (42532, 480984), (45808, 446586), (48608, 420861), (50421, 405728), (50716, 403368), (57624, 355012), (60123, 340256), (63798, 320656), (67228, 304296), (68712, 297724), (72912, 280574), (74431, 274848), (76074, 268912), (76832, 266259), (80164, 255192), (85064, 240492), (88753, 230496), (91616, 223293), (100842, 202864), (101432, 201684), (115248, 177506), (120246, 170128), (127596, 160328), (134456, 152148), (137424, 148862), (140287, 145824)]