13720048

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{7867}}^1$

素因数の和:7984

約数の個数: 20

約数和(自身を含む): 26829880

約数和(自身を除く): 13109832

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 7867, 15734, 31468, 62936, 125872, 857503, 1715006, 3430012, 6860024, 13720048]

約数ペア:

[(1, 13720048), (2, 6860024), (4, 3430012), (8, 1715006), (16, 857503), (109, 125872), (218, 62936), (436, 31468), (872, 15734), (1744, 7867)]