20761565181

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{8527}}^1$

素因数の和:8702

約数の個数: 48

約数和(自身を含む): 33487613952

約数和(自身を除く): 12726048771

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 1491, 1633, 4899, 5041, 8527, 11431, 15123, 25581, 34293, 35287, 59689, 105861, 115943, 179067, 196121, 347829, 588363, 605417, 811601, 1372847, 1816251, 2434803, 4118541, 4237919, 12713757, 13924591, 41773773, 42984607, 97472137, 128953821, 292416411, 300892249, 902676747, 988645961, 2965937883, 6920521727, 20761565181]

約数ペア:

[(1, 20761565181), (3, 6920521727), (7, 2965937883), (21, 988645961), (23, 902676747), (69, 300892249), (71, 292416411), (161, 128953821), (213, 97472137), (483, 42984607), (497, 41773773), (1491, 13924591), (1633, 12713757), (4899, 4237919), (5041, 4118541), (8527, 2434803), (11431, 1816251), (15123, 1372847), (25581, 811601), (34293, 605417), (35287, 588363), (59689, 347829), (105861, 196121), (115943, 179067)]