20104994

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 38763648

約数和(自身を除く): 18658654

約数列:

[1, 2, 7, 13, 14, 26, 43, 49, 86, 91, 98, 182, 301, 367, 559, 602, 637, 734, 1118, 1274, 2107, 2569, 3913, 4214, 4771, 5138, 7826, 9542, 15781, 17983, 27391, 31562, 33397, 35966, 54782, 66794, 110467, 205153, 220934, 233779, 410306, 467558, 773269, 1436071, 1546538, 2872142, 10052497, 20104994]

約数ペア:

[(1, 20104994), (2, 10052497), (7, 2872142), (13, 1546538), (14, 1436071), (26, 773269), (43, 467558), (49, 410306), (86, 233779), (91, 220934), (98, 205153), (182, 110467), (301, 66794), (367, 54782), (559, 35966), (602, 33397), (637, 31562), (734, 27391), (1118, 17983), (1274, 15781), (2107, 9542), (2569, 7826), (3913, 5138), (4214, 4771)]