20672361

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 12159639

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 513, 531, 683, 1121, 1593, 2049, 3363, 6147, 10089, 12977, 18441, 30267, 38931, 40297, 116793, 120891, 350379, 362673, 765643, 1088019, 2296929, 6890787, 20672361]

約数ペア:

[(1, 20672361), (3, 6890787), (9, 2296929), (19, 1088019), (27, 765643), (57, 362673), (59, 350379), (171, 120891), (177, 116793), (513, 40297), (531, 38931), (683, 30267), (1121, 18441), (1593, 12977), (2049, 10089), (3363, 6147)]