20441889

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12620511

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 719, 729, 1053, 2157, 2187, 3159, 6471, 9347, 9477, 19413, 28041, 28431, 58239, 84123, 174717, 252369, 524151, 757107, 1572453, 2271321, 6813963, 20441889]

約数ペア:

[(1, 20441889), (3, 6813963), (9, 2271321), (13, 1572453), (27, 757107), (39, 524151), (81, 252369), (117, 174717), (243, 84123), (351, 58239), (719, 28431), (729, 28041), (1053, 19413), (2157, 9477), (2187, 9347), (3159, 6471)]