20605900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29437}}^1$

素因数の和:29458

約数の個数: 36

約数和(自身を含む): 51104368

約数和(自身を除く): 30498468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29437, 58874, 117748, 147185, 206059, 294370, 412118, 588740, 735925, 824236, 1030295, 1471850, 2060590, 2943700, 4121180, 5151475, 10302950, 20605900]

約数ペア:

[(1, 20605900), (2, 10302950), (4, 5151475), (5, 4121180), (7, 2943700), (10, 2060590), (14, 1471850), (20, 1030295), (25, 824236), (28, 735925), (35, 588740), (50, 412118), (70, 294370), (100, 206059), (140, 147185), (175, 117748), (350, 58874), (700, 29437)]