20425444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3671}}^1$

素因数の和:3795

約数の個数: 24

約数和(自身を含む): 38864448

約数和(自身を除く): 18439004

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3671, 5564, 7342, 14684, 47723, 95446, 190892, 392797, 785594, 1571188, 5106361, 10212722, 20425444]

約数ペア:

[(1, 20425444), (2, 10212722), (4, 5106361), (13, 1571188), (26, 785594), (52, 392797), (107, 190892), (214, 95446), (428, 47723), (1391, 14684), (2782, 7342), (3671, 5564)]