20956096

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 56

約数和(自身を含む): 49194720

約数和(自身を除く): 28238624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1613, 1624, 1856, 3226, 3248, 6452, 6496, 11291, 12904, 12992, 22582, 25808, 45164, 46777, 51616, 90328, 93554, 103232, 180656, 187108, 327439, 361312, 374216, 654878, 722624, 748432, 1309756, 1496864, 2619512, 2993728, 5239024, 10478048, 20956096]

約数ペア:

[(1, 20956096), (2, 10478048), (4, 5239024), (7, 2993728), (8, 2619512), (14, 1496864), (16, 1309756), (28, 748432), (29, 722624), (32, 654878), (56, 374216), (58, 361312), (64, 327439), (112, 187108), (116, 180656), (203, 103232), (224, 93554), (232, 90328), (406, 51616), (448, 46777), (464, 45164), (812, 25808), (928, 22582), (1613, 12992), (1624, 12904), (1856, 11291), (3226, 6496), (3248, 6452)]