20342688760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5035319}}^1$

素因数の和:5035431

約数の個数: 32

約数和(自身を含む): 46224237600

約数和(自身を除く): 25881548840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 5035319, 10070638, 20141276, 25176595, 40282552, 50353190, 100706380, 201412760, 508567219, 1017134438, 2034268876, 2542836095, 4068537752, 5085672190, 10171344380, 20342688760]

約数ペア:

[(1, 20342688760), (2, 10171344380), (4, 5085672190), (5, 4068537752), (8, 2542836095), (10, 2034268876), (20, 1017134438), (40, 508567219), (101, 201412760), (202, 100706380), (404, 50353190), (505, 40282552), (808, 25176595), (1010, 20141276), (2020, 10070638), (4040, 5035319)]