20259904

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1163

約数の個数: 56

約数和(自身を含む): 47109888

約数和(自身を除く): 26849984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 164, 224, 287, 328, 448, 574, 656, 1103, 1148, 1312, 2206, 2296, 2624, 4412, 4592, 7721, 8824, 9184, 15442, 17648, 18368, 30884, 35296, 45223, 61768, 70592, 90446, 123536, 180892, 247072, 316561, 361784, 494144, 633122, 723568, 1266244, 1447136, 2532488, 2894272, 5064976, 10129952, 20259904]

約数ペア:

[(1, 20259904), (2, 10129952), (4, 5064976), (7, 2894272), (8, 2532488), (14, 1447136), (16, 1266244), (28, 723568), (32, 633122), (41, 494144), (56, 361784), (64, 316561), (82, 247072), (112, 180892), (164, 123536), (224, 90446), (287, 70592), (328, 61768), (448, 45223), (574, 35296), (656, 30884), (1103, 18368), (1148, 17648), (1312, 15442), (2206, 9184), (2296, 8824), (2624, 7721), (4412, 4592)]