20470391

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 22713600

約数和(自身を除く): 2243209

約数列:

[1, 19, 23, 139, 337, 437, 2641, 3197, 6403, 7751, 46843, 60743, 147269, 890017, 1077389, 20470391]

約数ペア:

[(1, 20470391), (19, 1077389), (23, 890017), (139, 147269), (337, 60743), (437, 46843), (2641, 7751), (3197, 6403)]