20239615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 27242064

約数和(自身を除く): 7002449

約数列:

[1, 5, 11, 55, 71, 73, 355, 365, 781, 803, 3905, 4015, 5041, 5183, 25205, 25915, 55451, 57013, 277255, 285065, 367993, 1839965, 4047923, 20239615]

約数ペア:

[(1, 20239615), (5, 4047923), (11, 1839965), (55, 367993), (71, 285065), (73, 277255), (355, 57013), (365, 55451), (781, 25915), (803, 25205), (3905, 5183), (4015, 5041)]