20784841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14207}}^1$

素因数の和:14244

約数の個数: 16

約数和(自身を含む): 27279360

約数和(自身を除く): 6494519

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14207, 99449, 156277, 269933, 1093939, 1889531, 2969263, 20784841]

約数ペア:

[(1, 20784841), (7, 2969263), (11, 1889531), (19, 1093939), (77, 269933), (133, 156277), (209, 99449), (1463, 14207)]