20821716

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25147}}^1$

素因数の和:25180

約数の個数: 36

約数和(自身を含む): 54923232

約数和(自身を除く): 34101516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25147, 50294, 75441, 100588, 150882, 226323, 301764, 452646, 578381, 905292, 1156762, 1735143, 2313524, 3470286, 5205429, 6940572, 10410858, 20821716]

約数ペア:

[(1, 20821716), (2, 10410858), (3, 6940572), (4, 5205429), (6, 3470286), (9, 2313524), (12, 1735143), (18, 1156762), (23, 905292), (36, 578381), (46, 452646), (69, 301764), (92, 226323), (138, 150882), (207, 100588), (276, 75441), (414, 50294), (828, 25147)]