20854302

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 49124880

約数和(自身を除く): 28270578

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 797, 1246, 1594, 1869, 2391, 3738, 4361, 4782, 5579, 8722, 11158, 13083, 16737, 26166, 33474, 39053, 70933, 78106, 117159, 141866, 212799, 234318, 425598, 496531, 993062, 1489593, 2979186, 3475717, 6951434, 10427151, 20854302]

約数ペア:

[(1, 20854302), (2, 10427151), (3, 6951434), (6, 3475717), (7, 2979186), (14, 1489593), (21, 993062), (42, 496531), (49, 425598), (89, 234318), (98, 212799), (147, 141866), (178, 117159), (267, 78106), (294, 70933), (534, 39053), (623, 33474), (797, 26166), (1246, 16737), (1594, 13083), (1869, 11158), (2391, 8722), (3738, 5579), (4361, 4782)]