20894230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 43145280

約数和(自身を除く): 22251050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 709, 842, 1418, 2105, 2947, 3545, 4210, 4963, 5894, 7090, 9926, 14735, 24815, 29470, 49630, 298489, 596978, 1492445, 2089423, 2984890, 4178846, 10447115, 20894230]

約数ペア:

[(1, 20894230), (2, 10447115), (5, 4178846), (7, 2984890), (10, 2089423), (14, 1492445), (35, 596978), (70, 298489), (421, 49630), (709, 29470), (842, 24815), (1418, 14735), (2105, 9926), (2947, 7090), (3545, 5894), (4210, 4963)]