1900820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{941}}^1$

素因数の和:1051

約数の個数: 24

約数和(自身を含む): 4035528

約数和(自身を除く): 2134708

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 941, 1010, 1882, 2020, 3764, 4705, 9410, 18820, 95041, 190082, 380164, 475205, 950410, 1900820]

約数ペア:

[(1, 1900820), (2, 950410), (4, 475205), (5, 380164), (10, 190082), (20, 95041), (101, 18820), (202, 9410), (404, 4705), (505, 3764), (941, 2020), (1010, 1882)]