20797677

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 31168800

約数和(自身を除く): 10371123

約数列:

[1, 3, 9, 53, 59, 159, 177, 477, 531, 739, 2217, 3127, 6651, 9381, 28143, 39167, 43601, 117501, 130803, 352503, 392409, 2310853, 6932559, 20797677]

約数ペア:

[(1, 20797677), (3, 6932559), (9, 2310853), (53, 392409), (59, 352503), (159, 130803), (177, 117501), (477, 43601), (531, 39167), (739, 28143), (2217, 9381), (3127, 6651)]