20804535736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 43777843200

約数和(自身を除く): 22973307464

約数列:

[1, 2, 4, 8, 23, 29, 31, 46, 58, 62, 92, 116, 124, 173, 184, 232, 248, 346, 667, 692, 713, 727, 899, 1334, 1384, 1426, 1454, 1798, 2668, 2852, 2908, 3596, 3979, 5017, 5336, 5363, 5704, 5816, 7192, 7958, 10034, 10726, 15916, 16721, 20068, 20677, 21083, 21452, 22537, 31832, 33442, 40136, 41354, 42166, 42904, 45074, 66884, 82708, 84332, 90148, 115391, 123349, 125771, 133768, 155527, 165416, 168664, 180296, 230782, 246698, 251542, 311054, 461564, 484909, 493396, 503084, 518351, 622108, 653573, 923128, 969818, 986792, 1006168, 1036702, 1244216, 1307146, 1939636, 2073404, 2614292, 2892733, 3577121, 3647359, 3879272, 3898901, 4146808, 5228584, 5785466, 7154242, 7294718, 7797802, 11570932, 14308484, 14589436, 15032179, 15595604, 23141864, 28616968, 29178872, 30064358, 31191208, 60128716, 83889257, 89674723, 113068129, 120257432, 167778514, 179349446, 226136258, 335557028, 358698892, 452272516, 671114056, 717397784, 904545032, 2600566967, 5201133934, 10402267868, 20804535736]

約数ペア:

[(1, 20804535736), (2, 10402267868), (4, 5201133934), (8, 2600566967), (23, 904545032), (29, 717397784), (31, 671114056), (46, 452272516), (58, 358698892), (62, 335557028), (92, 226136258), (116, 179349446), (124, 167778514), (173, 120257432), (184, 113068129), (232, 89674723), (248, 83889257), (346, 60128716), (667, 31191208), (692, 30064358), (713, 29178872), (727, 28616968), (899, 23141864), (1334, 15595604), (1384, 15032179), (1426, 14589436), (1454, 14308484), (1798, 11570932), (2668, 7797802), (2852, 7294718), (2908, 7154242), (3596, 5785466), (3979, 5228584), (5017, 4146808), (5336, 3898901), (5363, 3879272), (5704, 3647359), (5816, 3577121), (7192, 2892733), (7958, 2614292), (10034, 2073404), (10726, 1939636), (15916, 1307146), (16721, 1244216), (20068, 1036702), (20677, 1006168), (21083, 986792), (21452, 969818), (22537, 923128), (31832, 653573), (33442, 622108), (40136, 518351), (41354, 503084), (42166, 493396), (42904, 484909), (45074, 461564), (66884, 311054), (82708, 251542), (84332, 246698), (90148, 230782), (115391, 180296), (123349, 168664), (125771, 165416), (133768, 155527)]