20804940110

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1361}}^1\times {\mathrm{3631}}^1$

素因数の和:5420

約数の個数: 32

約数和(自身を含む): 37575771264

約数和(自身を除く): 16770831154

約数列:

[1, 2, 5, 10, 421, 842, 1361, 2105, 2722, 3631, 4210, 6805, 7262, 13610, 18155, 36310, 572981, 1145962, 1528651, 2864905, 3057302, 4941791, 5729810, 7643255, 9883582, 15286510, 24708955, 49417910, 2080494011, 4160988022, 10402470055, 20804940110]

約数ペア:

[(1, 20804940110), (2, 10402470055), (5, 4160988022), (10, 2080494011), (421, 49417910), (842, 24708955), (1361, 15286510), (2105, 9883582), (2722, 7643255), (3631, 5729810), (4210, 4941791), (6805, 3057302), (7262, 2864905), (13610, 1528651), (18155, 1145962), (36310, 572981)]