20939802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{268459}}^1$

素因数の和:268477

約数の個数: 16

約数和(自身を含む): 45101280

約数和(自身を除く): 24161478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 268459, 536918, 805377, 1610754, 3489967, 6979934, 10469901, 20939802]

約数ペア:

[(1, 20939802), (2, 10469901), (3, 6979934), (6, 3489967), (13, 1610754), (26, 805377), (39, 536918), (78, 268459)]