20165815293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{573887}}^1$

素因数の和:573973

約数の個数: 32

約数和(自身を含む): 31237871616

約数和(自身を除く): 11072056323

約数列:

[1, 3, 13, 17, 39, 51, 53, 159, 221, 663, 689, 901, 2067, 2703, 11713, 35139, 573887, 1721661, 7460531, 9756079, 22381593, 29268237, 30416011, 91248033, 126829027, 380487081, 395408143, 517072187, 1186224429, 1551216561, 6721938431, 20165815293]

約数ペア:

[(1, 20165815293), (3, 6721938431), (13, 1551216561), (17, 1186224429), (39, 517072187), (51, 395408143), (53, 380487081), (159, 126829027), (221, 91248033), (663, 30416011), (689, 29268237), (901, 22381593), (2067, 9756079), (2703, 7460531), (11713, 1721661), (35139, 573887)]