13866980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6361}}^1$

素因数の和:6479

約数の個数: 24

約数和(自身を含む): 29392440

約数和(自身を除く): 15525460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6361, 12722, 25444, 31805, 63610, 127220, 693349, 1386698, 2773396, 3466745, 6933490, 13866980]

約数ペア:

[(1, 13866980), (2, 6933490), (4, 3466745), (5, 2773396), (10, 1386698), (20, 693349), (109, 127220), (218, 63610), (436, 31805), (545, 25444), (1090, 12722), (2180, 6361)]