20385039

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1783}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 28201472

約数和(自身を除く): 7816433

約数列:

[1, 3, 37, 103, 111, 309, 1783, 3811, 5349, 11433, 65971, 183649, 197913, 550947, 6795013, 20385039]

約数ペア:

[(1, 20385039), (3, 6795013), (37, 550947), (103, 197913), (111, 183649), (309, 65971), (1783, 11433), (3811, 5349)]