20376608

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5351}}^1$

素因数の和:5385

約数の個数: 48

約数和(自身を含む): 48553344

約数和(自身を除く): 28176736

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5351, 10702, 21404, 37457, 42808, 74914, 85616, 90967, 149828, 171232, 181934, 299656, 363868, 599312, 636769, 727736, 1198624, 1273538, 1455472, 2547076, 2910944, 5094152, 10188304, 20376608]

約数ペア:

[(1, 20376608), (2, 10188304), (4, 5094152), (7, 2910944), (8, 2547076), (14, 1455472), (16, 1273538), (17, 1198624), (28, 727736), (32, 636769), (34, 599312), (56, 363868), (68, 299656), (112, 181934), (119, 171232), (136, 149828), (224, 90967), (238, 85616), (272, 74914), (476, 42808), (544, 37457), (952, 21404), (1904, 10702), (3808, 5351)]