20997324

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5351}}^1$

素因数の和:5470

約数の個数: 36

約数和(自身を含む): 53573520

約数和(自身を除く): 32576196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5351, 10702, 16053, 21404, 32106, 48159, 64212, 96318, 192636, 583259, 1166518, 1749777, 2333036, 3499554, 5249331, 6999108, 10498662, 20997324]

約数ペア:

[(1, 20997324), (2, 10498662), (3, 6999108), (4, 5249331), (6, 3499554), (9, 2333036), (12, 1749777), (18, 1166518), (36, 583259), (109, 192636), (218, 96318), (327, 64212), (436, 48159), (654, 32106), (981, 21404), (1308, 16053), (1962, 10702), (3924, 5351)]