20163685450

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{457}}^1\times {\mathrm{8737}}^1$

素因数の和:9307

約数の個数: 48

約数和(自身を含む): 37963009944

約数和(自身を除く): 17799324494

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 457, 505, 914, 1010, 2285, 2525, 4570, 5050, 8737, 11425, 17474, 22850, 43685, 46157, 87370, 92314, 218425, 230785, 436850, 461570, 882437, 1153925, 1764874, 2307850, 3992809, 4412185, 7985618, 8824370, 19964045, 22060925, 39928090, 44121850, 99820225, 199640450, 403273709, 806547418, 2016368545, 4032737090, 10081842725, 20163685450]

約数ペア:

[(1, 20163685450), (2, 10081842725), (5, 4032737090), (10, 2016368545), (25, 806547418), (50, 403273709), (101, 199640450), (202, 99820225), (457, 44121850), (505, 39928090), (914, 22060925), (1010, 19964045), (2285, 8824370), (2525, 7985618), (4570, 4412185), (5050, 3992809), (8737, 2307850), (11425, 1764874), (17474, 1153925), (22850, 882437), (43685, 461570), (46157, 436850), (87370, 230785), (92314, 218425)]