20620458

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{27941}}^1$

素因数の和:27990

約数の個数: 24

約数和(自身を含む): 45768996

約数和(自身を除く): 25148538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 27941, 55882, 83823, 167646, 251469, 502938, 1145581, 2291162, 3436743, 6873486, 10310229, 20620458]

約数ペア:

[(1, 20620458), (2, 10310229), (3, 6873486), (6, 3436743), (9, 2291162), (18, 1145581), (41, 502938), (82, 251469), (123, 167646), (246, 83823), (369, 55882), (738, 27941)]