20803910408

素因数分解:

$2^3\times {\mathrm{577}}^1\times {\mathrm{4506913}}^1$

素因数の和:4507496

約数の個数: 16

約数和(自身を含む): 39074944380

約数和(自身を除く): 18271033972

約数列:

[1, 2, 4, 8, 577, 1154, 2308, 4616, 4506913, 9013826, 18027652, 36055304, 2600488801, 5200977602, 10401955204, 20803910408]

約数ペア:

[(1, 20803910408), (2, 10401955204), (4, 5200977602), (8, 2600488801), (577, 36055304), (1154, 18027652), (2308, 9013826), (4616, 4506913)]