20187306027

素因数分解:

$3^3\times 7^1\times {\mathrm{12889}}^1\times {\mathrm{8287}}^1$

素因数の和:21192

約数の個数: 32

約数和(自身を含む): 34186342400

約数和(自身を除く): 13999036373

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 8287, 12889, 24861, 38667, 58009, 74583, 90223, 116001, 174027, 223749, 270669, 348003, 522081, 812007, 1566243, 2436021, 106811143, 320433429, 747678001, 961300287, 2243034003, 2883900861, 6729102009, 20187306027]

約数ペア:

[(1, 20187306027), (3, 6729102009), (7, 2883900861), (9, 2243034003), (21, 961300287), (27, 747678001), (63, 320433429), (189, 106811143), (8287, 2436021), (12889, 1566243), (24861, 812007), (38667, 522081), (58009, 348003), (74583, 270669), (90223, 223749), (116001, 174027)]