20752251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1301}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 29893920

約数和(自身を除く): 9141669

約数列:

[1, 3, 13, 39, 409, 1227, 1301, 3903, 5317, 15951, 16913, 50739, 532109, 1596327, 6917417, 20752251]

約数ペア:

[(1, 20752251), (3, 6917417), (13, 1596327), (39, 532109), (409, 50739), (1227, 16913), (1301, 15951), (3903, 5317)]