20215192016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{543887}}^1$

素因数の和:544019

約数の個数: 40

約数和(自身を含む): 41274572544

約数和(自身を除く): 21059380528

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 808, 1616, 2323, 4646, 9292, 18584, 37168, 543887, 1087774, 2175548, 4351096, 8702192, 12509401, 25018802, 50037604, 54932587, 100075208, 109865174, 200150416, 219730348, 439460696, 878921392, 1263449501, 2526899002, 5053798004, 10107596008, 20215192016]

約数ペア:

[(1, 20215192016), (2, 10107596008), (4, 5053798004), (8, 2526899002), (16, 1263449501), (23, 878921392), (46, 439460696), (92, 219730348), (101, 200150416), (184, 109865174), (202, 100075208), (368, 54932587), (404, 50037604), (808, 25018802), (1616, 12509401), (2323, 8702192), (4646, 4351096), (9292, 2175548), (18584, 1087774), (37168, 543887)]