20211232

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 42987672

約数和(自身を除く): 22776440

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 701, 848, 901, 1402, 1696, 1802, 2804, 3604, 5608, 7208, 11216, 11917, 14416, 22432, 23834, 28832, 37153, 47668, 74306, 95336, 148612, 190672, 297224, 381344, 594448, 631601, 1188896, 1263202, 2526404, 5052808, 10105616, 20211232]

約数ペア:

[(1, 20211232), (2, 10105616), (4, 5052808), (8, 2526404), (16, 1263202), (17, 1188896), (32, 631601), (34, 594448), (53, 381344), (68, 297224), (106, 190672), (136, 148612), (212, 95336), (272, 74306), (424, 47668), (544, 37153), (701, 28832), (848, 23834), (901, 22432), (1402, 14416), (1696, 11917), (1802, 11216), (2804, 7208), (3604, 5608)]