20512496170

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1129}}^1\times {\mathrm{2213}}^1$

素因数の和:4170

約数の個数: 32

約数和(自身を含む): 37016928720

約数和(自身を除く): 16504432550

約数列:

[1, 2, 5, 10, 821, 1129, 1642, 2213, 2258, 4105, 4426, 5645, 8210, 11065, 11290, 22130, 926909, 1816873, 1853818, 2498477, 3633746, 4634545, 4996954, 9084365, 9269090, 12492385, 18168730, 24984770, 2051249617, 4102499234, 10256248085, 20512496170]

約数ペア:

[(1, 20512496170), (2, 10256248085), (5, 4102499234), (10, 2051249617), (821, 24984770), (1129, 18168730), (1642, 12492385), (2213, 9269090), (2258, 9084365), (4105, 4996954), (4426, 4634545), (5645, 3633746), (8210, 2498477), (11065, 1853818), (11290, 1816873), (22130, 926909)]