20109467

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3217}}^1$

素因数の和:3290

約数の個数: 16

約数和(自身を含む): 24714240

約数和(自身を除く): 4604773

約数列:

[1, 7, 19, 47, 133, 329, 893, 3217, 6251, 22519, 61123, 151199, 427861, 1058393, 2872781, 20109467]

約数ペア:

[(1, 20109467), (7, 2872781), (19, 1058393), (47, 427861), (133, 151199), (329, 61123), (893, 22519), (3217, 6251)]