2020508740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1278803}}^1$

素因数の和:1278891

約数の個数: 24

約数和(自身を含む): 4296781440

約数和(自身を除く): 2276272700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1278803, 2557606, 5115212, 6394015, 12788030, 25576060, 101025437, 202050874, 404101748, 505127185, 1010254370, 2020508740]

約数ペア:

[(1, 2020508740), (2, 1010254370), (4, 505127185), (5, 404101748), (10, 202050874), (20, 101025437), (79, 25576060), (158, 12788030), (316, 6394015), (395, 5115212), (790, 2557606), (1580, 1278803)]