20660589

素因数分解:

$3^8\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 32121024

約数和(自身を除く): 11460435

約数列:

[1, 3, 9, 27, 47, 67, 81, 141, 201, 243, 423, 603, 729, 1269, 1809, 2187, 3149, 3807, 5427, 6561, 9447, 11421, 16281, 28341, 34263, 48843, 85023, 102789, 146529, 255069, 308367, 439587, 765207, 2295621, 6886863, 20660589]

約数ペア:

[(1, 20660589), (3, 6886863), (9, 2295621), (27, 765207), (47, 439587), (67, 308367), (81, 255069), (141, 146529), (201, 102789), (243, 85023), (423, 48843), (603, 34263), (729, 28341), (1269, 16281), (1809, 11421), (2187, 9447), (3149, 6561), (3807, 5427)]