20199289216

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{50273}}^1$

素因数の和:50403

約数の個数: 64

約数和(自身を含む): 41741496720

約数和(自身を除く): 21542207504

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 73, 86, 128, 146, 172, 292, 344, 584, 688, 1168, 1376, 2336, 2752, 3139, 4672, 5504, 6278, 9344, 12556, 25112, 50224, 50273, 100448, 100546, 200896, 201092, 401792, 402184, 804368, 1608736, 2161739, 3217472, 3669929, 4323478, 6434944, 7339858, 8646956, 14679716, 17293912, 29359432, 34587824, 58718864, 69175648, 117437728, 138351296, 157806947, 234875456, 276702592, 315613894, 469750912, 631227788, 1262455576, 2524911152, 5049822304, 10099644608, 20199289216]

約数ペア:

[(1, 20199289216), (2, 10099644608), (4, 5049822304), (8, 2524911152), (16, 1262455576), (32, 631227788), (43, 469750912), (64, 315613894), (73, 276702592), (86, 234875456), (128, 157806947), (146, 138351296), (172, 117437728), (292, 69175648), (344, 58718864), (584, 34587824), (688, 29359432), (1168, 17293912), (1376, 14679716), (2336, 8646956), (2752, 7339858), (3139, 6434944), (4672, 4323478), (5504, 3669929), (6278, 3217472), (9344, 2161739), (12556, 1608736), (25112, 804368), (50224, 402184), (50273, 401792), (100448, 201092), (100546, 200896)]