20216379

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4373}}^1$

素因数の和:4466

約数の個数: 16

約数和(自身を含む): 28553472

約数和(自身を除く): 8337093

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4373, 4623, 13119, 100579, 292991, 301737, 878973, 6738793, 20216379]

約数ペア:

[(1, 20216379), (3, 6738793), (23, 878973), (67, 301737), (69, 292991), (201, 100579), (1541, 13119), (4373, 4623)]