20036740

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4157}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 42261912

約数和(自身を除く): 22225172

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4157, 4820, 8314, 16628, 20785, 41570, 83140, 1001837, 2003674, 4007348, 5009185, 10018370, 20036740]

約数ペア:

[(1, 20036740), (2, 10018370), (4, 5009185), (5, 4007348), (10, 2003674), (20, 1001837), (241, 83140), (482, 41570), (964, 20785), (1205, 16628), (2410, 8314), (4157, 4820)]