20306307

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50893}}^1$

素因数の和:50922

約数の個数: 16

約数和(自身を含む): 32572160

約数和(自身を除く): 12265853

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50893, 152679, 356251, 966967, 1068753, 2900901, 6768769, 20306307]

約数ペア:

[(1, 20306307), (3, 6768769), (7, 2900901), (19, 1068753), (21, 966967), (57, 356251), (133, 152679), (399, 50893)]