20186901567

素因数分解:

$3^6\times 7^2\times {\mathrm{565127}}^1$

素因数の和:565159

約数の個数: 42

約数和(自身を含む): 35208039528

約数和(自身を除く): 15021137961

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 3969, 5103, 11907, 35721, 565127, 1695381, 3955889, 5086143, 11867667, 15258429, 27691223, 35603001, 45775287, 83073669, 106809003, 137325861, 249221007, 320427009, 411977583, 747663021, 961281027, 2242989063, 2883843081, 6728967189, 20186901567]

約数ペア:

[(1, 20186901567), (3, 6728967189), (7, 2883843081), (9, 2242989063), (21, 961281027), (27, 747663021), (49, 411977583), (63, 320427009), (81, 249221007), (147, 137325861), (189, 106809003), (243, 83073669), (441, 45775287), (567, 35603001), (729, 27691223), (1323, 15258429), (1701, 11867667), (3969, 5086143), (5103, 3955889), (11907, 1695381), (35721, 565127)]