20702972147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 28217548800

約数和(自身を除く): 7514576653

約数列:

[1, 11, 13, 17, 19, 59, 71, 107, 143, 187, 209, 221, 247, 323, 649, 767, 781, 923, 1003, 1121, 1177, 1207, 1349, 1391, 1819, 2033, 2431, 2717, 3553, 4189, 4199, 6313, 7597, 8437, 10153, 11033, 12331, 13039, 13277, 14573, 14839, 15301, 15691, 17537, 19057, 20009, 22363, 22933, 23647, 26429, 34561, 46079, 46189, 54457, 69443, 71213, 79591, 82069, 83567, 98761, 107321, 119947, 129149, 143429, 144343, 160303, 172601, 192907, 209627, 247741, 252263, 260117, 290719, 298129, 380171, 448223, 449293, 599027, 783343, 875501, 902759, 925769, 1034683, 1086371, 1180531, 1319417, 1353047, 1395173, 1420639, 1559311, 1587773, 1678937, 1876459, 2039099, 2453831, 2725151, 3279419, 4930453, 4942223, 5826899, 7619791, 8516237, 10183459, 11381513, 14883517, 15346903, 17152421, 17589611, 18468307, 20641049, 22430089, 26508287, 26992141, 31899803, 64095889, 83817701, 93678607, 99057283, 110711081, 144776029, 193485721, 291591157, 350897833, 1089630113, 1217821891, 1592536319, 1882088377, 20702972147]

約数ペア:

[(1, 20702972147), (11, 1882088377), (13, 1592536319), (17, 1217821891), (19, 1089630113), (59, 350897833), (71, 291591157), (107, 193485721), (143, 144776029), (187, 110711081), (209, 99057283), (221, 93678607), (247, 83817701), (323, 64095889), (649, 31899803), (767, 26992141), (781, 26508287), (923, 22430089), (1003, 20641049), (1121, 18468307), (1177, 17589611), (1207, 17152421), (1349, 15346903), (1391, 14883517), (1819, 11381513), (2033, 10183459), (2431, 8516237), (2717, 7619791), (3553, 5826899), (4189, 4942223), (4199, 4930453), (6313, 3279419), (7597, 2725151), (8437, 2453831), (10153, 2039099), (11033, 1876459), (12331, 1678937), (13039, 1587773), (13277, 1559311), (14573, 1420639), (14839, 1395173), (15301, 1353047), (15691, 1319417), (17537, 1180531), (19057, 1086371), (20009, 1034683), (22363, 925769), (22933, 902759), (23647, 875501), (26429, 783343), (34561, 599027), (46079, 449293), (46189, 448223), (54457, 380171), (69443, 298129), (71213, 290719), (79591, 260117), (82069, 252263), (83567, 247741), (98761, 209627), (107321, 192907), (119947, 172601), (129149, 160303), (143429, 144343)]