20709774

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67679}}^1$

素因数の和:67704

約数の個数: 24

約数和(自身を含む): 47511360

約数和(自身を除く): 26801586

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67679, 135358, 203037, 406074, 609111, 1150543, 1218222, 2301086, 3451629, 6903258, 10354887, 20709774]

約数ペア:

[(1, 20709774), (2, 10354887), (3, 6903258), (6, 3451629), (9, 2301086), (17, 1218222), (18, 1150543), (34, 609111), (51, 406074), (102, 203037), (153, 135358), (306, 67679)]