20528032

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 46654272

約数和(自身を除く): 26126240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 811, 904, 1582, 1622, 1808, 3164, 3244, 3616, 5677, 6328, 6488, 11354, 12656, 12976, 22708, 25312, 25952, 45416, 90832, 91643, 181664, 183286, 366572, 641501, 733144, 1283002, 1466288, 2566004, 2932576, 5132008, 10264016, 20528032]

約数ペア:

[(1, 20528032), (2, 10264016), (4, 5132008), (7, 2932576), (8, 2566004), (14, 1466288), (16, 1283002), (28, 733144), (32, 641501), (56, 366572), (112, 183286), (113, 181664), (224, 91643), (226, 90832), (452, 45416), (791, 25952), (811, 25312), (904, 22708), (1582, 12976), (1622, 12656), (1808, 11354), (3164, 6488), (3244, 6328), (3616, 5677)]