20320428

素因数分解:

$2^2\times 3^1\times {\mathrm{907}}^1\times {\mathrm{1867}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 47492032

約数和(自身を除く): 27171604

約数列:

[1, 2, 3, 4, 6, 12, 907, 1814, 1867, 2721, 3628, 3734, 5442, 5601, 7468, 10884, 11202, 22404, 1693369, 3386738, 5080107, 6773476, 10160214, 20320428]

約数ペア:

[(1, 20320428), (2, 10160214), (3, 6773476), (4, 5080107), (6, 3386738), (12, 1693369), (907, 22404), (1814, 11202), (1867, 10884), (2721, 7468), (3628, 5601), (3734, 5442)]