20491647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36527}}^1$

素因数の和:36558

約数の個数: 16

約数和(自身を含む): 31560192

約数和(自身を除く): 11068545

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36527, 109581, 401797, 620959, 1205391, 1862877, 6830549, 20491647]

約数ペア:

[(1, 20491647), (3, 6830549), (11, 1862877), (17, 1205391), (33, 620959), (51, 401797), (187, 109581), (561, 36527)]