20289752

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8837}}^1$

素因数の和:8891

約数の個数: 32

約数和(自身を含む): 44543520

約数和(自身を除く): 24253768

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8837, 17674, 35348, 61859, 70696, 123718, 247436, 362317, 494872, 724634, 1449268, 2536219, 2898536, 5072438, 10144876, 20289752]

約数ペア:

[(1, 20289752), (2, 10144876), (4, 5072438), (7, 2898536), (8, 2536219), (14, 1449268), (28, 724634), (41, 494872), (56, 362317), (82, 247436), (164, 123718), (287, 70696), (328, 61859), (574, 35348), (1148, 17674), (2296, 8837)]