20161648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96931}}^1$

素因数の和:96952

約数の個数: 20

約数和(自身を含む): 42068488

約数和(自身を除く): 21906840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96931, 193862, 387724, 775448, 1260103, 1550896, 2520206, 5040412, 10080824, 20161648]

約数ペア:

[(1, 20161648), (2, 10080824), (4, 5040412), (8, 2520206), (13, 1550896), (16, 1260103), (26, 775448), (52, 387724), (104, 193862), (208, 96931)]