20156085

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1459}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 35075040

約数和(自身を除く): 14918955

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1459, 1535, 2763, 4377, 4605, 7295, 13131, 13815, 21885, 65655, 447913, 1343739, 2239565, 4031217, 6718695, 20156085]

約数ペア:

[(1, 20156085), (3, 6718695), (5, 4031217), (9, 2239565), (15, 1343739), (45, 447913), (307, 65655), (921, 21885), (1459, 13815), (1535, 13131), (2763, 7295), (4377, 4605)]