20128041

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1163}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 29891520

約数和(自身を除く): 9763479

約数列:

[1, 3, 9, 27, 641, 1163, 1923, 3489, 5769, 10467, 17307, 31401, 745483, 2236449, 6709347, 20128041]

約数ペア:

[(1, 20128041), (3, 6709347), (9, 2236449), (27, 745483), (641, 31401), (1163, 17307), (1923, 10467), (3489, 5769)]