20553651

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3263

約数の個数: 24

約数和(自身を含む): 31988736

約数和(自身を除く): 11435085

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3203, 6417, 9609, 28827, 73669, 99293, 221007, 297879, 663021, 893637, 2283739, 6851217, 20553651]

約数ペア:

[(1, 20553651), (3, 6851217), (9, 2283739), (23, 893637), (31, 663021), (69, 297879), (93, 221007), (207, 99293), (279, 73669), (713, 28827), (2139, 9609), (3203, 6417)]