20789043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1571}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 30333312

約数和(自身を除く): 9544269

約数列:

[1, 3, 11, 33, 401, 1203, 1571, 4411, 4713, 13233, 17281, 51843, 629971, 1889913, 6929681, 20789043]

約数ペア:

[(1, 20789043), (3, 6929681), (11, 1889913), (33, 629971), (401, 51843), (1203, 17281), (1571, 13233), (4411, 4713)]