20001605528

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{3888337}}^1$

素因数の和:3888986

約数の個数: 16

約数和(自身を含む): 37561345080

約数和(自身を除く): 17559739552

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5144, 3888337, 7776674, 15553348, 31106696, 2500200691, 5000401382, 10000802764, 20001605528]

約数ペア:

[(1, 20001605528), (2, 10000802764), (4, 5000401382), (8, 2500200691), (643, 31106696), (1286, 15553348), (2572, 7776674), (5144, 3888337)]