20642809

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 23497920

約数和(自身を除く): 2855111

約数列:

[1, 11, 29, 163, 319, 397, 1793, 4367, 4727, 11513, 51997, 64711, 126643, 711821, 1876619, 20642809]

約数ペア:

[(1, 20642809), (11, 1876619), (29, 711821), (163, 126643), (319, 64711), (397, 51997), (1793, 11513), (4367, 4727)]