20736306

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 46485504

約数和(自身を除く): 25749198

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 127, 141, 193, 254, 282, 381, 386, 423, 579, 762, 846, 1143, 1158, 1737, 2286, 3474, 5969, 9071, 11938, 17907, 18142, 24511, 27213, 35814, 49022, 53721, 54426, 73533, 81639, 107442, 147066, 163278, 220599, 441198, 1152017, 2304034, 3456051, 6912102, 10368153, 20736306]

約数ペア:

[(1, 20736306), (2, 10368153), (3, 6912102), (6, 3456051), (9, 2304034), (18, 1152017), (47, 441198), (94, 220599), (127, 163278), (141, 147066), (193, 107442), (254, 81639), (282, 73533), (381, 54426), (386, 53721), (423, 49022), (579, 35814), (762, 27213), (846, 24511), (1143, 18142), (1158, 17907), (1737, 11938), (2286, 9071), (3474, 5969)]