20874584

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{11701}}^1$

素因数の和:11930

約数の個数: 16

約数和(自身を含む): 39318720

約数和(自身を除く): 18444136

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 11701, 23402, 46804, 93608, 2609323, 5218646, 10437292, 20874584]

約数ペア:

[(1, 20874584), (2, 10437292), (4, 5218646), (8, 2609323), (223, 93608), (446, 46804), (892, 23402), (1784, 11701)]