20836666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2347}}^1$

素因数の和:2565

約数の個数: 16

約数和(自身を含む): 32796864

約数和(自身を除く): 11960198

約数列:

[1, 2, 23, 46, 193, 386, 2347, 4439, 4694, 8878, 53981, 107962, 452971, 905942, 10418333, 20836666]

約数ペア:

[(1, 20836666), (2, 10418333), (23, 905942), (46, 452971), (193, 107962), (386, 53981), (2347, 8878), (4439, 4694)]