20407497

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3307}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 31677408

約数和(自身を除く): 11269911

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3307, 6171, 9921, 36377, 56219, 109131, 168657, 400147, 618409, 1200441, 1855227, 6802499, 20407497]

約数ペア:

[(1, 20407497), (3, 6802499), (11, 1855227), (17, 1200441), (33, 618409), (51, 400147), (121, 168657), (187, 109131), (363, 56219), (561, 36377), (2057, 9921), (3307, 6171)]