20674565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{769}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 26241600

約数和(自身を除く): 5567035

約数列:

[1, 5, 19, 95, 283, 769, 1415, 3845, 5377, 14611, 26885, 73055, 217627, 1088135, 4134913, 20674565]

約数ペア:

[(1, 20674565), (5, 4134913), (19, 1088135), (95, 217627), (283, 73055), (769, 26885), (1415, 14611), (3845, 5377)]