15520144

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{3119}}^1$

素因数の和:3438

約数の個数: 20

約数和(自身を含む): 30176640

約数和(自身を除く): 14656496

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 3119, 4976, 6238, 12476, 24952, 49904, 970009, 1940018, 3880036, 7760072, 15520144]

約数ペア:

[(1, 15520144), (2, 7760072), (4, 3880036), (8, 1940018), (16, 970009), (311, 49904), (622, 24952), (1244, 12476), (2488, 6238), (3119, 4976)]