20366420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7433}}^1$

素因数の和:7579

約数の個数: 24

約数和(自身を含む): 43087464

約数和(自身を除く): 22721044

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7433, 14866, 29732, 37165, 74330, 148660, 1018321, 2036642, 4073284, 5091605, 10183210, 20366420]

約数ペア:

[(1, 20366420), (2, 10183210), (4, 5091605), (5, 4073284), (10, 2036642), (20, 1018321), (137, 148660), (274, 74330), (548, 37165), (685, 29732), (1370, 14866), (2740, 7433)]