20273248

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 42865200

約数和(自身を除く): 22591952

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 449, 544, 664, 898, 1328, 1411, 1796, 2656, 2822, 3592, 5644, 7184, 7633, 11288, 14368, 15266, 22576, 30532, 37267, 45152, 61064, 74534, 122128, 149068, 244256, 298136, 596272, 633539, 1192544, 1267078, 2534156, 5068312, 10136624, 20273248]

約数ペア:

[(1, 20273248), (2, 10136624), (4, 5068312), (8, 2534156), (16, 1267078), (17, 1192544), (32, 633539), (34, 596272), (68, 298136), (83, 244256), (136, 149068), (166, 122128), (272, 74534), (332, 61064), (449, 45152), (544, 37267), (664, 30532), (898, 22576), (1328, 15266), (1411, 14368), (1796, 11288), (2656, 7633), (2822, 7184), (3592, 5644)]