16910260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7757}}^1$

素因数の和:7875

約数の個数: 24

約数和(自身を含む): 35841960

約数和(自身を除く): 18931700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7757, 15514, 31028, 38785, 77570, 155140, 845513, 1691026, 3382052, 4227565, 8455130, 16910260]

約数ペア:

[(1, 16910260), (2, 8455130), (4, 4227565), (5, 3382052), (10, 1691026), (20, 845513), (109, 155140), (218, 77570), (436, 38785), (545, 31028), (1090, 15514), (2180, 7757)]