20899808

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12323}}^1$

素因数の和:12386

約数の個数: 24

約数和(自身を含む): 41926248

約数和(自身を除く): 21026440

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12323, 24646, 49292, 98584, 197168, 394336, 653119, 1306238, 2612476, 5224952, 10449904, 20899808]

約数ペア:

[(1, 20899808), (2, 10449904), (4, 5224952), (8, 2612476), (16, 1306238), (32, 653119), (53, 394336), (106, 197168), (212, 98584), (424, 49292), (848, 24646), (1696, 12323)]