20541087

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 14456673

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 433, 753, 1299, 1757, 2259, 3031, 3897, 5271, 6777, 9093, 11691, 15813, 27279, 47439, 81837, 108683, 326049, 760781, 978147, 2282343, 2934441, 6847029, 20541087]

約数ペア:

[(1, 20541087), (3, 6847029), (7, 2934441), (9, 2282343), (21, 978147), (27, 760781), (63, 326049), (189, 108683), (251, 81837), (433, 47439), (753, 27279), (1299, 15813), (1757, 11691), (2259, 9093), (3031, 6777), (3897, 5271)]