15963620

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1433}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 33607224

約数和(自身を除く): 17643604

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1433, 2228, 2785, 2866, 5570, 5732, 7165, 11140, 14330, 28660, 798181, 1596362, 3192724, 3990905, 7981810, 15963620]

約数ペア:

[(1, 15963620), (2, 7981810), (4, 3990905), (5, 3192724), (10, 1596362), (20, 798181), (557, 28660), (1114, 14330), (1433, 11140), (2228, 7165), (2785, 5732), (2866, 5570)]