20321792

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2126

約数の個数: 40

約数和(自身を含む): 42761400

約数和(自身を除く): 22439608

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2089, 2432, 4178, 4864, 8356, 9728, 16712, 33424, 39691, 66848, 79382, 133696, 158764, 267392, 317528, 534784, 635056, 1069568, 1270112, 2540224, 5080448, 10160896, 20321792]

約数ペア:

[(1, 20321792), (2, 10160896), (4, 5080448), (8, 2540224), (16, 1270112), (19, 1069568), (32, 635056), (38, 534784), (64, 317528), (76, 267392), (128, 158764), (152, 133696), (256, 79382), (304, 66848), (512, 39691), (608, 33424), (1216, 16712), (2089, 9728), (2432, 8356), (4178, 4864)]