20867517

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4133}}^1$

素因数の和:4170

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 14850243

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4133, 5049, 12399, 37197, 45463, 70261, 111591, 136389, 210783, 409167, 632349, 772871, 1227501, 1897047, 2318613, 6955839, 20867517]

約数ペア:

[(1, 20867517), (3, 6955839), (9, 2318613), (11, 1897047), (17, 1227501), (27, 772871), (33, 632349), (51, 409167), (99, 210783), (153, 136389), (187, 111591), (297, 70261), (459, 45463), (561, 37197), (1683, 12399), (4133, 5049)]