20204478

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{5939}}^1$

素因数の和:5963

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 31687362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 5939, 11878, 17817, 35634, 41573, 53451, 83146, 106902, 124719, 160353, 249438, 320706, 374157, 481059, 748314, 962118, 1122471, 1443177, 2244942, 2886354, 3367413, 6734826, 10102239, 20204478]

約数ペア:

[(1, 20204478), (2, 10102239), (3, 6734826), (6, 3367413), (7, 2886354), (9, 2244942), (14, 1443177), (18, 1122471), (21, 962118), (27, 748314), (42, 481059), (54, 374157), (63, 320706), (81, 249438), (126, 160353), (162, 124719), (189, 106902), (243, 83146), (378, 53451), (486, 41573), (567, 35634), (1134, 17817), (1701, 11878), (3402, 5939)]