20715303

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4957}}^1$

素因数の和:5166

約数の個数: 16

約数和(自身を含む): 31731200

約数和(自身を除く): 11015897

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 4957, 14871, 34699, 104097, 986443, 2959329, 6905101, 20715303]

約数ペア:

[(1, 20715303), (3, 6905101), (7, 2959329), (21, 986443), (199, 104097), (597, 34699), (1393, 14871), (4179, 4957)]