20964111

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8389}}^1$

素因数の和:8423

約数の個数: 24

約数和(自身を含む): 34432560

約数和(自身を除く): 13468449

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8389, 25167, 58723, 142613, 176169, 411061, 427839, 998291, 1233183, 2994873, 6988037, 20964111]

約数ペア:

[(1, 20964111), (3, 6988037), (7, 2994873), (17, 1233183), (21, 998291), (49, 427839), (51, 411061), (119, 176169), (147, 142613), (357, 58723), (833, 25167), (2499, 8389)]