20541213

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29641}}^1$

素因数の和:29665

約数の個数: 24

約数和(自身を含む): 36993216

約数和(自身を除く): 16452003

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29641, 88923, 207487, 266769, 326051, 622461, 978153, 1867383, 2282357, 2934459, 6847071, 20541213]

約数ペア:

[(1, 20541213), (3, 6847071), (7, 2934459), (9, 2282357), (11, 1867383), (21, 978153), (33, 622461), (63, 326051), (77, 266769), (99, 207487), (231, 88923), (693, 29641)]