20348847

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 12344913

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1031, 1161, 2193, 3093, 6579, 9279, 17527, 19737, 27837, 44333, 52581, 132999, 157743, 398997, 473229, 753661, 1196991, 2260983, 6782949, 20348847]

約数ペア:

[(1, 20348847), (3, 6782949), (9, 2260983), (17, 1196991), (27, 753661), (43, 473229), (51, 398997), (129, 157743), (153, 132999), (387, 52581), (459, 44333), (731, 27837), (1031, 19737), (1161, 17527), (2193, 9279), (3093, 6579)]