20431818

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 31278582

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 53, 54, 59, 66, 99, 106, 118, 121, 159, 177, 198, 242, 297, 318, 354, 363, 477, 531, 583, 594, 649, 726, 954, 1062, 1089, 1166, 1298, 1431, 1593, 1749, 1947, 2178, 2862, 3127, 3186, 3267, 3498, 3894, 5247, 5841, 6254, 6413, 6534, 7139, 9381, 10494, 11682, 12826, 14278, 15741, 17523, 18762, 19239, 21417, 28143, 31482, 34397, 35046, 38478, 42834, 56286, 57717, 64251, 68794, 84429, 103191, 115434, 128502, 168858, 173151, 192753, 206382, 309573, 346302, 378367, 385506, 619146, 756734, 928719, 1135101, 1857438, 2270202, 3405303, 6810606, 10215909, 20431818]

約数ペア:

[(1, 20431818), (2, 10215909), (3, 6810606), (6, 3405303), (9, 2270202), (11, 1857438), (18, 1135101), (22, 928719), (27, 756734), (33, 619146), (53, 385506), (54, 378367), (59, 346302), (66, 309573), (99, 206382), (106, 192753), (118, 173151), (121, 168858), (159, 128502), (177, 115434), (198, 103191), (242, 84429), (297, 68794), (318, 64251), (354, 57717), (363, 56286), (477, 42834), (531, 38478), (583, 35046), (594, 34397), (649, 31482), (726, 28143), (954, 21417), (1062, 19239), (1089, 18762), (1166, 17523), (1298, 15741), (1431, 14278), (1593, 12826), (1749, 11682), (1947, 10494), (2178, 9381), (2862, 7139), (3127, 6534), (3186, 6413), (3267, 6254), (3498, 5841), (3894, 5247)]