20190771128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 42335401680

約数和(自身を除く): 22144630552

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 197, 244, 313, 394, 488, 626, 671, 788, 1252, 1342, 1576, 2167, 2504, 2684, 3443, 3721, 4334, 5368, 6886, 7442, 8668, 12017, 13772, 14884, 17336, 19093, 24034, 27544, 29768, 38186, 40931, 48068, 61661, 76372, 81862, 96136, 123322, 132187, 152744, 163724, 210023, 246644, 264374, 327448, 420046, 493288, 528748, 678271, 733037, 840092, 1057496, 1164673, 1356542, 1466074, 1680184, 2329346, 2713084, 2932148, 3761321, 4658692, 5426168, 5864296, 7522642, 8063407, 9317384, 12811403, 15045284, 16126814, 25622806, 30090568, 32253628, 41374531, 51245612, 64507256, 82749062, 102491224, 165498124, 229440581, 330996248, 458881162, 917762324, 1835524648, 2523846391, 5047692782, 10095385564, 20190771128]

約数ペア:

[(1, 20190771128), (2, 10095385564), (4, 5047692782), (8, 2523846391), (11, 1835524648), (22, 917762324), (44, 458881162), (61, 330996248), (88, 229440581), (122, 165498124), (197, 102491224), (244, 82749062), (313, 64507256), (394, 51245612), (488, 41374531), (626, 32253628), (671, 30090568), (788, 25622806), (1252, 16126814), (1342, 15045284), (1576, 12811403), (2167, 9317384), (2504, 8063407), (2684, 7522642), (3443, 5864296), (3721, 5426168), (4334, 4658692), (5368, 3761321), (6886, 2932148), (7442, 2713084), (8668, 2329346), (12017, 1680184), (13772, 1466074), (14884, 1356542), (17336, 1164673), (19093, 1057496), (24034, 840092), (27544, 733037), (29768, 678271), (38186, 528748), (40931, 493288), (48068, 420046), (61661, 327448), (76372, 264374), (81862, 246644), (96136, 210023), (123322, 163724), (132187, 152744)]