20984941617

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{239}}^2\times {\mathrm{881}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 28331745120

約数和(自身を除く): 7346803503

約数列:

[1, 3, 139, 239, 417, 717, 881, 2643, 33221, 57121, 99663, 122459, 171363, 210559, 367377, 631677, 7939819, 23819457, 29267701, 50323601, 87803103, 150970803, 6994980539, 20984941617]

約数ペア:

[(1, 20984941617), (3, 6994980539), (139, 150970803), (239, 87803103), (417, 50323601), (717, 29267701), (881, 23819457), (2643, 7939819), (33221, 631677), (57121, 367377), (99663, 210559), (122459, 171363)]