20215677027

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{6719}}^1$

素因数の和:6952

約数の個数: 64

約数和(自身を含む): 33814609920

約数和(自身を除く): 13598932893

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 107, 273, 309, 321, 721, 749, 1339, 1391, 2163, 2247, 4017, 4173, 6719, 9373, 9737, 11021, 20157, 28119, 29211, 33063, 47033, 77147, 87347, 141099, 143273, 231441, 262041, 429819, 611429, 692057, 718933, 1002911, 1834287, 2076171, 2156799, 3008733, 4844399, 5032531, 8996741, 9346129, 14533197, 15097593, 26990223, 28038387, 62977187, 65422903, 74050099, 188931561, 196268709, 222150297, 518350693, 962651287, 1555052079, 2887953861, 6738559009, 20215677027]

約数ペア:

[(1, 20215677027), (3, 6738559009), (7, 2887953861), (13, 1555052079), (21, 962651287), (39, 518350693), (91, 222150297), (103, 196268709), (107, 188931561), (273, 74050099), (309, 65422903), (321, 62977187), (721, 28038387), (749, 26990223), (1339, 15097593), (1391, 14533197), (2163, 9346129), (2247, 8996741), (4017, 5032531), (4173, 4844399), (6719, 3008733), (9373, 2156799), (9737, 2076171), (11021, 1834287), (20157, 1002911), (28119, 718933), (29211, 692057), (33063, 611429), (47033, 429819), (77147, 262041), (87347, 231441), (141099, 143273)]