20804340518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1\times {\mathrm{10331}}^1$

素因数の和:11480

約数の個数: 32

約数和(自身を含む): 34102791072

約数和(自身を除く): 13298450554

約数列:

[1, 2, 13, 26, 73, 146, 949, 1061, 1898, 2122, 10331, 13793, 20662, 27586, 77453, 134303, 154906, 268606, 754163, 1006889, 1508326, 2013778, 9804119, 10961191, 19608238, 21922382, 142495483, 284990966, 800166943, 1600333886, 10402170259, 20804340518]

約数ペア:

[(1, 20804340518), (2, 10402170259), (13, 1600333886), (26, 800166943), (73, 284990966), (146, 142495483), (949, 21922382), (1061, 19608238), (1898, 10961191), (2122, 9804119), (10331, 2013778), (13793, 1508326), (20662, 1006889), (27586, 754163), (77453, 268606), (134303, 154906)]