20472728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{367}}^2$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 40517100

約数和(自身を除く): 20044372

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 367, 734, 1468, 2936, 6973, 13946, 27892, 55784, 134689, 269378, 538756, 1077512, 2559091, 5118182, 10236364, 20472728]

約数ペア:

[(1, 20472728), (2, 10236364), (4, 5118182), (8, 2559091), (19, 1077512), (38, 538756), (76, 269378), (152, 134689), (367, 55784), (734, 27892), (1468, 13946), (2936, 6973)]