20877591

素因数分解:

$3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1723}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 31887104

約数和(自身を除く): 11009513

約数列:

[1, 3, 7, 21, 577, 1723, 1731, 4039, 5169, 12061, 12117, 36183, 994171, 2982513, 6959197, 20877591]

約数ペア:

[(1, 20877591), (3, 6959197), (7, 2982513), (21, 994171), (577, 36183), (1723, 12117), (1731, 12061), (4039, 5169)]