2080778608

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1193107}}^1$

素因数の和:1193224

約数の個数: 20

約数和(自身を含む): 4068498280

約数和(自身を除く): 1987719672

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 1193107, 2386214, 4772428, 9544856, 19089712, 130048663, 260097326, 520194652, 1040389304, 2080778608]

約数ペア:

[(1, 2080778608), (2, 1040389304), (4, 520194652), (8, 260097326), (16, 130048663), (109, 19089712), (218, 9544856), (436, 4772428), (872, 2386214), (1744, 1193107)]