20802531355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1\times {\mathrm{3673}}^1$

素因数の和:6615

約数の個数: 32

約数和(自身を含む): 27597677184

約数和(自身を除く): 6795145829

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 2897, 3673, 14485, 18365, 49249, 62441, 66631, 84479, 246245, 312205, 333155, 422395, 1132727, 1436143, 5663635, 7180715, 10640681, 53203405, 180891577, 244735663, 904457885, 1223678315, 4160506271, 20802531355]

約数ペア:

[(1, 20802531355), (5, 4160506271), (17, 1223678315), (23, 904457885), (85, 244735663), (115, 180891577), (391, 53203405), (1955, 10640681), (2897, 7180715), (3673, 5663635), (14485, 1436143), (18365, 1132727), (49249, 422395), (62441, 333155), (66631, 312205), (84479, 246245)]