20087079404

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{782329}}^1$

素因数の和:782478

約数の個数: 36

約数和(自身を含む): 41203756440

約数和(自身を除く): 21116677036

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 3668, 6419, 12838, 25676, 782329, 1564658, 3129316, 5476303, 10952606, 21905212, 38334121, 76668242, 102485099, 153336484, 204970198, 409940396, 717395693, 1434791386, 2869582772, 5021769851, 10043539702, 20087079404]

約数ペア:

[(1, 20087079404), (2, 10043539702), (4, 5021769851), (7, 2869582772), (14, 1434791386), (28, 717395693), (49, 409940396), (98, 204970198), (131, 153336484), (196, 102485099), (262, 76668242), (524, 38334121), (917, 21905212), (1834, 10952606), (3668, 5476303), (6419, 3129316), (12838, 1564658), (25676, 782329)]