2000807740

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{196543}}^1$

素因数の和:197061

約数の個数: 24

約数和(自身を含む): 4209972480

約数和(自身を除く): 2209164740

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 196543, 393086, 786172, 982715, 1965430, 3930860, 100040387, 200080774, 400161548, 500201935, 1000403870, 2000807740]

約数ペア:

[(1, 2000807740), (2, 1000403870), (4, 500201935), (5, 400161548), (10, 200080774), (20, 100040387), (509, 3930860), (1018, 1965430), (2036, 982715), (2545, 786172), (5090, 393086), (10180, 196543)]