20186484579

素因数分解:

$3^8\times {\mathrm{199}}^1\times {\mathrm{15461}}^1$

素因数の和:15684

約数の個数: 36

約数和(自身を含む): 30432308400

約数和(自身を除く): 10245823821

約数列:

[1, 3, 9, 27, 81, 199, 243, 597, 729, 1791, 2187, 5373, 6561, 15461, 16119, 46383, 48357, 139149, 145071, 417447, 435213, 1252341, 1305639, 3076739, 3757023, 9230217, 11271069, 27690651, 33813207, 83071953, 101439621, 249215859, 747647577, 2242942731, 6728828193, 20186484579]

約数ペア:

[(1, 20186484579), (3, 6728828193), (9, 2242942731), (27, 747647577), (81, 249215859), (199, 101439621), (243, 83071953), (597, 33813207), (729, 27690651), (1791, 11271069), (2187, 9230217), (5373, 3757023), (6561, 3076739), (15461, 1305639), (16119, 1252341), (46383, 435213), (48357, 417447), (139149, 145071)]