20688663

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4373}}^1$

素因数の和:4478

約数の個数: 16

約数和(自身を含む): 29393280

約数和(自身を除く): 8704617

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4373, 4731, 13119, 83087, 249261, 362959, 1088877, 6896221, 20688663]

約数ペア:

[(1, 20688663), (3, 6896221), (19, 1088877), (57, 362959), (83, 249261), (249, 83087), (1577, 13119), (4373, 4731)]