20868732

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33563268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 971, 1194, 1791, 1942, 2388, 2913, 3582, 3884, 5373, 5826, 7164, 8739, 10746, 11652, 17478, 21492, 26217, 34956, 52434, 104868, 193229, 386458, 579687, 772916, 1159374, 1739061, 2318748, 3478122, 5217183, 6956244, 10434366, 20868732]

約数ペア:

[(1, 20868732), (2, 10434366), (3, 6956244), (4, 5217183), (6, 3478122), (9, 2318748), (12, 1739061), (18, 1159374), (27, 772916), (36, 579687), (54, 386458), (108, 193229), (199, 104868), (398, 52434), (597, 34956), (796, 26217), (971, 21492), (1194, 17478), (1791, 11652), (1942, 10746), (2388, 8739), (2913, 7164), (3582, 5826), (3884, 5373)]