20910169

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 24690688

約数和(自身を除く): 3780519

約数列:

[1, 7, 43, 127, 301, 547, 889, 3829, 5461, 23521, 38227, 69469, 164647, 486283, 2987167, 20910169]

約数ペア:

[(1, 20910169), (7, 2987167), (43, 486283), (127, 164647), (301, 69469), (547, 38227), (889, 23521), (3829, 5461)]