20204044

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10163}}^1$

素因数の和:10245

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 20777204

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10163, 20326, 40652, 71141, 142282, 284564, 721573, 1443146, 2886292, 5051011, 10102022, 20204044]

約数ペア:

[(1, 20204044), (2, 10102022), (4, 5051011), (7, 2886292), (14, 1443146), (28, 721573), (71, 284564), (142, 142282), (284, 71141), (497, 40652), (994, 20326), (1988, 10163)]