20171291707

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{19949}}^1$

素因数の和:20295

約数の個数: 32

約数和(自身を含む): 25338096000

約数和(自身を除く): 5166804293

約数列:

[1, 7, 17, 29, 119, 203, 293, 493, 2051, 3451, 4981, 8497, 19949, 34867, 59479, 139643, 144449, 339133, 578521, 1011143, 2373931, 4049647, 5845057, 9834857, 40915399, 68843999, 99365969, 169506653, 695561783, 1186546571, 2881613101, 20171291707]

約数ペア:

[(1, 20171291707), (7, 2881613101), (17, 1186546571), (29, 695561783), (119, 169506653), (203, 99365969), (293, 68843999), (493, 40915399), (2051, 9834857), (3451, 5845057), (4981, 4049647), (8497, 2373931), (19949, 1011143), (34867, 578521), (59479, 339133), (139643, 144449)]