20850660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115837}}^1$

素因数の和:115852

約数の個数: 36

約数和(自身を含む): 63247548

約数和(自身を除く): 42396888

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115837, 231674, 347511, 463348, 579185, 695022, 1042533, 1158370, 1390044, 1737555, 2085066, 2316740, 3475110, 4170132, 5212665, 6950220, 10425330, 20850660]

約数ペア:

[(1, 20850660), (2, 10425330), (3, 6950220), (4, 5212665), (5, 4170132), (6, 3475110), (9, 2316740), (10, 2085066), (12, 1737555), (15, 1390044), (18, 1158370), (20, 1042533), (30, 695022), (36, 579185), (45, 463348), (60, 347511), (90, 231674), (180, 115837)]