20694408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 59520000

約数和(自身を除く): 38825592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 199, 398, 597, 619, 796, 1194, 1238, 1393, 1592, 1857, 2388, 2476, 2786, 3714, 4179, 4333, 4776, 4952, 5572, 7428, 8358, 8666, 11144, 12999, 14856, 16716, 17332, 25998, 33432, 34664, 51996, 103992, 123181, 246362, 369543, 492724, 739086, 862267, 985448, 1478172, 1724534, 2586801, 2956344, 3449068, 5173602, 6898136, 10347204, 20694408]

約数ペア:

[(1, 20694408), (2, 10347204), (3, 6898136), (4, 5173602), (6, 3449068), (7, 2956344), (8, 2586801), (12, 1724534), (14, 1478172), (21, 985448), (24, 862267), (28, 739086), (42, 492724), (56, 369543), (84, 246362), (168, 123181), (199, 103992), (398, 51996), (597, 34664), (619, 33432), (796, 25998), (1194, 17332), (1238, 16716), (1393, 14856), (1592, 12999), (1857, 11144), (2388, 8666), (2476, 8358), (2786, 7428), (3714, 5572), (4179, 4952), (4333, 4776)]