20565545115

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19310371}}^1$

素因数の和:19310450

約数の個数: 16

約数和(自身を含む): 33368322816

約数和(自身を除く): 12802777701

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19310371, 57931113, 96551855, 289655565, 1371036341, 4113109023, 6855181705, 20565545115]

約数ペア:

[(1, 20565545115), (3, 6855181705), (5, 4113109023), (15, 1371036341), (71, 289655565), (213, 96551855), (355, 57931113), (1065, 19310371)]