20720130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1979}}^1$

素因数の和:2338

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 29175870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 1979, 2094, 3490, 3958, 5235, 5937, 9895, 10470, 11874, 19790, 29685, 59370, 690671, 1381342, 2072013, 3453355, 4144026, 6906710, 10360065, 20720130]

約数ペア:

[(1, 20720130), (2, 10360065), (3, 6906710), (5, 4144026), (6, 3453355), (10, 2072013), (15, 1381342), (30, 690671), (349, 59370), (698, 29685), (1047, 19790), (1745, 11874), (1979, 10470), (2094, 9895), (3490, 5937), (3958, 5235)]