20419416

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5351}}^1$

素因数の和:5416

約数の個数: 48

約数和(自身を含む): 56356560

約数和(自身を除く): 35937144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5351, 10702, 16053, 21404, 32106, 42808, 48159, 64212, 96318, 128424, 192636, 283603, 385272, 567206, 850809, 1134412, 1701618, 2268824, 2552427, 3403236, 5104854, 6806472, 10209708, 20419416]

約数ペア:

[(1, 20419416), (2, 10209708), (3, 6806472), (4, 5104854), (6, 3403236), (8, 2552427), (9, 2268824), (12, 1701618), (18, 1134412), (24, 850809), (36, 567206), (53, 385272), (72, 283603), (106, 192636), (159, 128424), (212, 96318), (318, 64212), (424, 48159), (477, 42808), (636, 32106), (954, 21404), (1272, 16053), (1908, 10702), (3816, 5351)]