20752812

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{2143}}^1$

素因数の和:2422

約数の個数: 36

約数和(自身を含む): 52678080

約数和(自身を除く): 31925268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 538, 807, 1076, 1614, 2143, 2421, 3228, 4286, 4842, 6429, 8572, 9684, 12858, 19287, 25716, 38574, 77148, 576467, 1152934, 1729401, 2305868, 3458802, 5188203, 6917604, 10376406, 20752812]

約数ペア:

[(1, 20752812), (2, 10376406), (3, 6917604), (4, 5188203), (6, 3458802), (9, 2305868), (12, 1729401), (18, 1152934), (36, 576467), (269, 77148), (538, 38574), (807, 25716), (1076, 19287), (1614, 12858), (2143, 9684), (2421, 8572), (3228, 6429), (4286, 4842)]