20238519

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 32775912

約数和(自身を除く): 12537393

約数列:

[1, 3, 7, 21, 37, 49, 61, 111, 147, 183, 259, 427, 777, 1281, 1813, 2257, 2989, 3721, 5439, 6771, 8967, 11163, 15799, 26047, 47397, 78141, 110593, 137677, 182329, 331779, 413031, 546987, 963739, 2891217, 6746173, 20238519]

約数ペア:

[(1, 20238519), (3, 6746173), (7, 2891217), (21, 963739), (37, 546987), (49, 413031), (61, 331779), (111, 182329), (147, 137677), (183, 110593), (259, 78141), (427, 47397), (777, 26047), (1281, 15799), (1813, 11163), (2257, 8967), (2989, 6771), (3721, 5439)]