20211044704

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 43105653360

約数和(自身を除く): 22894608656

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 131, 173, 232, 248, 262, 346, 464, 496, 524, 692, 899, 928, 961, 992, 1048, 1384, 1798, 1922, 2096, 2768, 3596, 3799, 3844, 4061, 4192, 5017, 5363, 5536, 7192, 7598, 7688, 8122, 10034, 10726, 14384, 15196, 15376, 16244, 20068, 21452, 22663, 27869, 28768, 30392, 30752, 32488, 40136, 42904, 45326, 55738, 60784, 64976, 80272, 85808, 90652, 111476, 117769, 121568, 125891, 129952, 155527, 160544, 166253, 171616, 181304, 222952, 235538, 251782, 311054, 332506, 362608, 445904, 471076, 503564, 622108, 657227, 665012, 702553, 725216, 891808, 942152, 1007128, 1244216, 1314454, 1330024, 1405106, 1884304, 2014256, 2488432, 2628908, 2660048, 2810212, 3650839, 3768608, 4028512, 4821337, 4976864, 5257816, 5320096, 5620424, 7301678, 9642674, 10515632, 11240848, 14603356, 19285348, 20374037, 21031264, 21779143, 22481696, 29206712, 38570696, 40748074, 43558286, 58413424, 77141392, 81496148, 87116572, 116826848, 154282784, 162992296, 174233144, 325984592, 348466288, 631595147, 651969184, 696932576, 1263190294, 2526380588, 5052761176, 10105522352, 20211044704]

約数ペア:

[(1, 20211044704), (2, 10105522352), (4, 5052761176), (8, 2526380588), (16, 1263190294), (29, 696932576), (31, 651969184), (32, 631595147), (58, 348466288), (62, 325984592), (116, 174233144), (124, 162992296), (131, 154282784), (173, 116826848), (232, 87116572), (248, 81496148), (262, 77141392), (346, 58413424), (464, 43558286), (496, 40748074), (524, 38570696), (692, 29206712), (899, 22481696), (928, 21779143), (961, 21031264), (992, 20374037), (1048, 19285348), (1384, 14603356), (1798, 11240848), (1922, 10515632), (2096, 9642674), (2768, 7301678), (3596, 5620424), (3799, 5320096), (3844, 5257816), (4061, 4976864), (4192, 4821337), (5017, 4028512), (5363, 3768608), (5536, 3650839), (7192, 2810212), (7598, 2660048), (7688, 2628908), (8122, 2488432), (10034, 2014256), (10726, 1884304), (14384, 1405106), (15196, 1330024), (15376, 1314454), (16244, 1244216), (20068, 1007128), (21452, 942152), (22663, 891808), (27869, 725216), (28768, 702553), (30392, 665012), (30752, 657227), (32488, 622108), (40136, 503564), (42904, 471076), (45326, 445904), (55738, 362608), (60784, 332506), (64976, 311054), (80272, 251782), (85808, 235538), (90652, 222952), (111476, 181304), (117769, 171616), (121568, 166253), (125891, 160544), (129952, 155527)]