20046808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 40037760

約数和(自身を除く): 19990952

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 223, 446, 661, 892, 1322, 1784, 2644, 3791, 5288, 7582, 11237, 15164, 22474, 30328, 44948, 89896, 147403, 294806, 589612, 1179224, 2505851, 5011702, 10023404, 20046808]

約数ペア:

[(1, 20046808), (2, 10023404), (4, 5011702), (8, 2505851), (17, 1179224), (34, 589612), (68, 294806), (136, 147403), (223, 89896), (446, 44948), (661, 30328), (892, 22474), (1322, 15164), (1784, 11237), (2644, 7582), (3791, 5288)]