20135619

素因数分解:

$3^2\times 7^2\times {\mathrm{45659}}^1$

素因数の和:45679

約数の個数: 18

約数和(自身を含む): 33834060

約数和(自身を除く): 13698441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45659, 136977, 319613, 410931, 958839, 2237291, 2876517, 6711873, 20135619]

約数ペア:

[(1, 20135619), (3, 6711873), (7, 2876517), (9, 2237291), (21, 958839), (49, 410931), (63, 319613), (147, 136977), (441, 45659)]