20474001

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7043}}^1$

素因数の和:7085

約数の個数: 24

約数和(自身を含む): 32965920

約数和(自身を除く): 12491919

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7043, 21129, 63387, 119731, 133817, 359193, 401451, 1077579, 1204353, 2274889, 6824667, 20474001]

約数ペア:

[(1, 20474001), (3, 6824667), (9, 2274889), (17, 1204353), (19, 1077579), (51, 401451), (57, 359193), (153, 133817), (171, 119731), (323, 63387), (969, 21129), (2907, 7043)]