20108997558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{19403}}^1$

素因数の和:19570

約数の個数: 96

約数和(自身を含む): 48480816384

約数和(自身を除く): 28371818826

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 103, 117, 129, 206, 234, 258, 309, 387, 559, 618, 774, 927, 1118, 1339, 1677, 1854, 2678, 3354, 4017, 4429, 5031, 8034, 8858, 10062, 12051, 13287, 19403, 24102, 26574, 38806, 39861, 57577, 58209, 79722, 115154, 116418, 172731, 174627, 252239, 345462, 349254, 504478, 518193, 756717, 834329, 1036386, 1513434, 1668658, 1998509, 2270151, 2502987, 3997018, 4540302, 5005974, 5995527, 7508961, 10846277, 11991054, 15017922, 17986581, 21692554, 25980617, 32538831, 35973162, 51961234, 65077662, 77941851, 85935887, 97616493, 155883702, 171871774, 195232986, 233825553, 257807661, 467651106, 515615322, 773422983, 1117166531, 1546845966, 2234333062, 3351499593, 6702999186, 10054498779, 20108997558]

約数ペア:

[(1, 20108997558), (2, 10054498779), (3, 6702999186), (6, 3351499593), (9, 2234333062), (13, 1546845966), (18, 1117166531), (26, 773422983), (39, 515615322), (43, 467651106), (78, 257807661), (86, 233825553), (103, 195232986), (117, 171871774), (129, 155883702), (206, 97616493), (234, 85935887), (258, 77941851), (309, 65077662), (387, 51961234), (559, 35973162), (618, 32538831), (774, 25980617), (927, 21692554), (1118, 17986581), (1339, 15017922), (1677, 11991054), (1854, 10846277), (2678, 7508961), (3354, 5995527), (4017, 5005974), (4429, 4540302), (5031, 3997018), (8034, 2502987), (8858, 2270151), (10062, 1998509), (12051, 1668658), (13287, 1513434), (19403, 1036386), (24102, 834329), (26574, 756717), (38806, 518193), (39861, 504478), (57577, 349254), (58209, 345462), (79722, 252239), (115154, 174627), (116418, 172731)]