20404841

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2456599

約数列:

[1, 19, 23, 53, 437, 881, 1007, 1219, 16739, 20263, 23161, 46693, 384997, 887167, 1073939, 20404841]

約数ペア:

[(1, 20404841), (19, 1073939), (23, 887167), (53, 384997), (437, 46693), (881, 23161), (1007, 20263), (1219, 16739)]