20958256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 44599824

約数和(自身を除く): 23641568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 193, 386, 617, 772, 1234, 1544, 2123, 2468, 3088, 4246, 4936, 6787, 8492, 9872, 13574, 16984, 27148, 33968, 54296, 108592, 119081, 238162, 476324, 952648, 1309891, 1905296, 2619782, 5239564, 10479128, 20958256]

約数ペア:

[(1, 20958256), (2, 10479128), (4, 5239564), (8, 2619782), (11, 1905296), (16, 1309891), (22, 952648), (44, 476324), (88, 238162), (176, 119081), (193, 108592), (386, 54296), (617, 33968), (772, 27148), (1234, 16984), (1544, 13574), (2123, 9872), (2468, 8492), (3088, 6787), (4246, 4936)]