20107045

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4133}}^1$

素因数の和:4284

約数の個数: 16

約数和(自身を含む): 27780480

約数和(自身を除く): 7673435

約数列:

[1, 5, 7, 35, 139, 695, 973, 4133, 4865, 20665, 28931, 144655, 574487, 2872435, 4021409, 20107045]

約数ペア:

[(1, 20107045), (5, 4021409), (7, 2872435), (35, 574487), (139, 144655), (695, 28931), (973, 20665), (4133, 4865)]