20357865

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13709}}^1$

素因数の和:13734

約数の個数: 32

約数和(自身を含む): 39484800

約数和(自身を除く): 19126935

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13709, 41127, 68545, 123381, 150799, 205635, 370143, 452397, 616905, 753995, 1357191, 1850715, 2261985, 4071573, 6785955, 20357865]

約数ペア:

[(1, 20357865), (3, 6785955), (5, 4071573), (9, 2261985), (11, 1850715), (15, 1357191), (27, 753995), (33, 616905), (45, 452397), (55, 370143), (99, 205635), (135, 150799), (165, 123381), (297, 68545), (495, 41127), (1485, 13709)]