20553710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50131}}^1$

素因数の和:50179

約数の個数: 16

約数和(自身を含む): 37899792

約数和(自身を除く): 17346082

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50131, 100262, 250655, 501310, 2055371, 4110742, 10276855, 20553710]

約数ペア:

[(1, 20553710), (2, 10276855), (5, 4110742), (10, 2055371), (41, 501310), (82, 250655), (205, 100262), (410, 50131)]