20059280

素因数分解:

$2^4\times 5^1\times {\mathrm{250741}}^1$

素因数の和:250754

約数の個数: 20

約数和(自身を含む): 46638012

約数和(自身を除く): 26578732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250741, 501482, 1002964, 1253705, 2005928, 2507410, 4011856, 5014820, 10029640, 20059280]

約数ペア:

[(1, 20059280), (2, 10029640), (4, 5014820), (5, 4011856), (8, 2507410), (10, 2005928), (16, 1253705), (20, 1002964), (40, 501482), (80, 250741)]