20607125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2141}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 11471467

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2141, 9625, 10705, 14987, 23551, 53525, 74935, 117755, 164857, 267625, 374675, 588775, 824285, 1873375, 2943875, 4121425, 20607125]

約数ペア:

[(1, 20607125), (5, 4121425), (7, 2943875), (11, 1873375), (25, 824285), (35, 588775), (55, 374675), (77, 267625), (125, 164857), (175, 117755), (275, 74935), (385, 53525), (875, 23551), (1375, 14987), (1925, 10705), (2141, 9625)]