20439672

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 35806728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 139, 264, 278, 417, 556, 557, 834, 1112, 1114, 1529, 1668, 1671, 2228, 3058, 3336, 3342, 4456, 4587, 6116, 6127, 6684, 9174, 12232, 12254, 13368, 18348, 18381, 24508, 36696, 36762, 49016, 73524, 77423, 147048, 154846, 232269, 309692, 464538, 619384, 851653, 929076, 1703306, 1858152, 2554959, 3406612, 5109918, 6813224, 10219836, 20439672]

約数ペア:

[(1, 20439672), (2, 10219836), (3, 6813224), (4, 5109918), (6, 3406612), (8, 2554959), (11, 1858152), (12, 1703306), (22, 929076), (24, 851653), (33, 619384), (44, 464538), (66, 309692), (88, 232269), (132, 154846), (139, 147048), (264, 77423), (278, 73524), (417, 49016), (556, 36762), (557, 36696), (834, 24508), (1112, 18381), (1114, 18348), (1529, 13368), (1668, 12254), (1671, 12232), (2228, 9174), (3058, 6684), (3336, 6127), (3342, 6116), (4456, 4587)]