20546288

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 60

約数和(自身を含む): 47072880

約数和(自身を除く): 26526592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 359, 392, 511, 584, 718, 784, 1022, 1168, 1436, 2044, 2513, 2872, 3577, 4088, 5026, 5744, 7154, 8176, 10052, 14308, 17591, 20104, 26207, 28616, 35182, 40208, 52414, 57232, 70364, 104828, 140728, 183449, 209656, 281456, 366898, 419312, 733796, 1284143, 1467592, 2568286, 2935184, 5136572, 10273144, 20546288]

約数ペア:

[(1, 20546288), (2, 10273144), (4, 5136572), (7, 2935184), (8, 2568286), (14, 1467592), (16, 1284143), (28, 733796), (49, 419312), (56, 366898), (73, 281456), (98, 209656), (112, 183449), (146, 140728), (196, 104828), (292, 70364), (359, 57232), (392, 52414), (511, 40208), (584, 35182), (718, 28616), (784, 26207), (1022, 20104), (1168, 17591), (1436, 14308), (2044, 10052), (2513, 8176), (2872, 7154), (3577, 5744), (4088, 5026)]