20199892491

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{42347783}}^1$

素因数の和:42347842

約数の個数: 12

約数和(自身を含む): 29728144368

約数和(自身を除く): 9528251877

約数列:

[1, 3, 9, 53, 159, 477, 42347783, 127043349, 381130047, 2244432499, 6733297497, 20199892491]

約数ペア:

[(1, 20199892491), (3, 6733297497), (9, 2244432499), (53, 381130047), (159, 127043349), (477, 42347783)]