20481886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17387}}^1$

素因数の和:17439

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12903074

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17387, 34774, 330353, 538997, 660706, 1077994, 10240943, 20481886]

約数ペア:

[(1, 20481886), (2, 10240943), (19, 1077994), (31, 660706), (38, 538997), (62, 330353), (589, 34774), (1178, 17387)]