20794284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 65345280

約数和(自身を除く): 44550996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 43, 57, 63, 76, 84, 86, 101, 114, 126, 129, 133, 171, 172, 202, 228, 252, 258, 266, 301, 303, 342, 387, 399, 404, 516, 532, 602, 606, 684, 707, 774, 798, 817, 903, 909, 1197, 1204, 1212, 1414, 1548, 1596, 1634, 1806, 1818, 1919, 2121, 2394, 2451, 2709, 2828, 3268, 3612, 3636, 3838, 4242, 4343, 4788, 4902, 5418, 5719, 5757, 6363, 7353, 7676, 8484, 8686, 9804, 10836, 11438, 11514, 12726, 13029, 13433, 14706, 17157, 17271, 17372, 22876, 23028, 25452, 26058, 26866, 29412, 30401, 34314, 34542, 39087, 40299, 51471, 52116, 53732, 60802, 68628, 69084, 78174, 80598, 82517, 91203, 102942, 120897, 121604, 156348, 161196, 165034, 182406, 205884, 241794, 247551, 273609, 330068, 364812, 483588, 495102, 547218, 577619, 742653, 990204, 1094436, 1155238, 1485306, 1732857, 2310476, 2970612, 3465714, 5198571, 6931428, 10397142, 20794284]

約数ペア:

[(1, 20794284), (2, 10397142), (3, 6931428), (4, 5198571), (6, 3465714), (7, 2970612), (9, 2310476), (12, 1732857), (14, 1485306), (18, 1155238), (19, 1094436), (21, 990204), (28, 742653), (36, 577619), (38, 547218), (42, 495102), (43, 483588), (57, 364812), (63, 330068), (76, 273609), (84, 247551), (86, 241794), (101, 205884), (114, 182406), (126, 165034), (129, 161196), (133, 156348), (171, 121604), (172, 120897), (202, 102942), (228, 91203), (252, 82517), (258, 80598), (266, 78174), (301, 69084), (303, 68628), (342, 60802), (387, 53732), (399, 52116), (404, 51471), (516, 40299), (532, 39087), (602, 34542), (606, 34314), (684, 30401), (707, 29412), (774, 26866), (798, 26058), (817, 25452), (903, 23028), (909, 22876), (1197, 17372), (1204, 17271), (1212, 17157), (1414, 14706), (1548, 13433), (1596, 13029), (1634, 12726), (1806, 11514), (1818, 11438), (1919, 10836), (2121, 9804), (2394, 8686), (2451, 8484), (2709, 7676), (2828, 7353), (3268, 6363), (3612, 5757), (3636, 5719), (3838, 5418), (4242, 4902), (4343, 4788)]