20835571568

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1591

約数の個数: 160

約数和(自身を含む): 49657107456

約数和(自身を除く): 28821535888

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 43, 46, 56, 86, 92, 112, 137, 161, 172, 184, 274, 301, 322, 344, 368, 548, 602, 644, 688, 959, 989, 1096, 1204, 1288, 1373, 1918, 1978, 2192, 2408, 2576, 2746, 3151, 3836, 3956, 4816, 5492, 5891, 6302, 6923, 7672, 7912, 9611, 10984, 11782, 12604, 13846, 15344, 15824, 19222, 21968, 22057, 23564, 25208, 27692, 31579, 38444, 41237, 44114, 47128, 50416, 55384, 59039, 63158, 76888, 82474, 88228, 94256, 110768, 118078, 126316, 135493, 153776, 164948, 176456, 188101, 221053, 236156, 252632, 270986, 329896, 352912, 376202, 413273, 442106, 472312, 505264, 541972, 659792, 752404, 826546, 884212, 944624, 948451, 1083944, 1316707, 1357897, 1504808, 1653092, 1768424, 1896902, 2167888, 2633414, 2715794, 3009616, 3306184, 3536848, 3793804, 4326323, 5266828, 5431588, 6612368, 7587608, 8088343, 8652646, 9505279, 10533656, 10863176, 15175216, 16176686, 17305292, 19010558, 21067312, 21726352, 30284261, 32353372, 34610584, 38021116, 56618401, 60568522, 64706744, 69221168, 76042232, 113236802, 121137044, 129413488, 152084464, 186031889, 226473604, 242274088, 372063778, 452947208, 484548176, 744127556, 905894416, 1302223223, 1488255112, 2604446446, 2976510224, 5208892892, 10417785784, 20835571568]

約数ペア:

[(1, 20835571568), (2, 10417785784), (4, 5208892892), (7, 2976510224), (8, 2604446446), (14, 1488255112), (16, 1302223223), (23, 905894416), (28, 744127556), (43, 484548176), (46, 452947208), (56, 372063778), (86, 242274088), (92, 226473604), (112, 186031889), (137, 152084464), (161, 129413488), (172, 121137044), (184, 113236802), (274, 76042232), (301, 69221168), (322, 64706744), (344, 60568522), (368, 56618401), (548, 38021116), (602, 34610584), (644, 32353372), (688, 30284261), (959, 21726352), (989, 21067312), (1096, 19010558), (1204, 17305292), (1288, 16176686), (1373, 15175216), (1918, 10863176), (1978, 10533656), (2192, 9505279), (2408, 8652646), (2576, 8088343), (2746, 7587608), (3151, 6612368), (3836, 5431588), (3956, 5266828), (4816, 4326323), (5492, 3793804), (5891, 3536848), (6302, 3306184), (6923, 3009616), (7672, 2715794), (7912, 2633414), (9611, 2167888), (10984, 1896902), (11782, 1768424), (12604, 1653092), (13846, 1504808), (15344, 1357897), (15824, 1316707), (19222, 1083944), (21968, 948451), (22057, 944624), (23564, 884212), (25208, 826546), (27692, 752404), (31579, 659792), (38444, 541972), (41237, 505264), (44114, 472312), (47128, 442106), (50416, 413273), (55384, 376202), (59039, 352912), (63158, 329896), (76888, 270986), (82474, 252632), (88228, 236156), (94256, 221053), (110768, 188101), (118078, 176456), (126316, 164948), (135493, 153776)]