20170961480

素因数分解:

$2^3\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{126037}}^1$

素因数の和:130049

約数の個数: 32

約数和(自身を含む): 45396366840

約数和(自身を除く): 25225405360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4001, 8002, 16004, 20005, 32008, 40010, 80020, 126037, 160040, 252074, 504148, 630185, 1008296, 1260370, 2520740, 5041480, 504274037, 1008548074, 2017096148, 2521370185, 4034192296, 5042740370, 10085480740, 20170961480]

約数ペア:

[(1, 20170961480), (2, 10085480740), (4, 5042740370), (5, 4034192296), (8, 2521370185), (10, 2017096148), (20, 1008548074), (40, 504274037), (4001, 5041480), (8002, 2520740), (16004, 1260370), (20005, 1008296), (32008, 630185), (40010, 504148), (80020, 252074), (126037, 160040)]