20528716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9181}}^1$

素因数の和:9241

約数の個数: 24

約数和(自身を含む): 39592784

約数和(自身を除く): 19064068

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9181, 18362, 36724, 119353, 238706, 394783, 477412, 789566, 1579132, 5132179, 10264358, 20528716]

約数ペア:

[(1, 20528716), (2, 10264358), (4, 5132179), (13, 1579132), (26, 789566), (43, 477412), (52, 394783), (86, 238706), (172, 119353), (559, 36724), (1118, 18362), (2236, 9181)]