20920273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3271727

約数列:

[1, 11, 19, 199, 209, 503, 2189, 3781, 5533, 9557, 41591, 100097, 105127, 1101067, 1901843, 20920273]

約数ペア:

[(1, 20920273), (11, 1901843), (19, 1101067), (199, 105127), (209, 100097), (503, 41591), (2189, 9557), (3781, 5533)]