20908292398

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{77137}}^1$

素因数の和:78184

約数の個数: 32

約数和(自身を含む): 37766764800

約数和(自身を除く): 16858472402

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1019, 2038, 7133, 14266, 19361, 38722, 77137, 135527, 154274, 271054, 539959, 1079918, 1465603, 2931206, 10259221, 20518442, 78602603, 157205206, 550218221, 1100436442, 1493449457, 2986898914, 10454146199, 20908292398]

約数ペア:

[(1, 20908292398), (2, 10454146199), (7, 2986898914), (14, 1493449457), (19, 1100436442), (38, 550218221), (133, 157205206), (266, 78602603), (1019, 20518442), (2038, 10259221), (7133, 2931206), (14266, 1465603), (19361, 1079918), (38722, 539959), (77137, 271054), (135527, 154274)]