20091232

素因数分解:

$2^5\times 7^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 25419968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 257, 349, 514, 698, 1028, 1396, 1799, 2056, 2443, 2792, 3598, 4112, 4886, 5584, 7196, 8224, 9772, 11168, 14392, 19544, 28784, 39088, 57568, 78176, 89693, 179386, 358772, 627851, 717544, 1255702, 1435088, 2511404, 2870176, 5022808, 10045616, 20091232]

約数ペア:

[(1, 20091232), (2, 10045616), (4, 5022808), (7, 2870176), (8, 2511404), (14, 1435088), (16, 1255702), (28, 717544), (32, 627851), (56, 358772), (112, 179386), (224, 89693), (257, 78176), (349, 57568), (514, 39088), (698, 28784), (1028, 19544), (1396, 14392), (1799, 11168), (2056, 9772), (2443, 8224), (2792, 7196), (3598, 5584), (4112, 4886)]