20957104

素因数分解:

$2^4\times 7^2\times {\mathrm{26731}}^1$

素因数の和:26753

約数の個数: 30

約数和(自身を含む): 47235444

約数和(自身を除く): 26278340

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26731, 53462, 106924, 187117, 213848, 374234, 427696, 748468, 1309819, 1496936, 2619638, 2993872, 5239276, 10478552, 20957104]

約数ペア:

[(1, 20957104), (2, 10478552), (4, 5239276), (7, 2993872), (8, 2619638), (14, 1496936), (16, 1309819), (28, 748468), (49, 427696), (56, 374234), (98, 213848), (112, 187117), (196, 106924), (392, 53462), (784, 26731)]