20774732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42923}}^1$

素因数の和:42949

約数の個数: 18

約数和(自身を含む): 39962244

約数和(自身を除く): 19187512

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42923, 85846, 171692, 472153, 944306, 1888612, 5193683, 10387366, 20774732]

約数ペア:

[(1, 20774732), (2, 10387366), (4, 5193683), (11, 1888612), (22, 944306), (44, 472153), (121, 171692), (242, 85846), (484, 42923)]