20247633

素因数分解:

$3^2\times 7^4\times {\mathrm{937}}^1$

素因数の和:971

約数の個数: 30

約数和(自身を含む): 34155394

約数和(自身を除く): 13907761

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 937, 1029, 2401, 2811, 3087, 6559, 7203, 8433, 19677, 21609, 45913, 59031, 137739, 321391, 413217, 964173, 2249737, 2892519, 6749211, 20247633]

約数ペア:

[(1, 20247633), (3, 6749211), (7, 2892519), (9, 2249737), (21, 964173), (49, 413217), (63, 321391), (147, 137739), (343, 59031), (441, 45913), (937, 21609), (1029, 19677), (2401, 8433), (2811, 7203), (3087, 6559)]