20891508

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{158269}}^1$

素因数の和:158287

約数の個数: 24

約数和(自身を含む): 53178720

約数和(自身を除く): 32287212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 158269, 316538, 474807, 633076, 949614, 1740959, 1899228, 3481918, 5222877, 6963836, 10445754, 20891508]

約数ペア:

[(1, 20891508), (2, 10445754), (3, 6963836), (4, 5222877), (6, 3481918), (11, 1899228), (12, 1740959), (22, 949614), (33, 633076), (44, 474807), (66, 316538), (132, 158269)]