20809874512

素因数分解:

$2^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1\times {\mathrm{4241}}^1$

素因数の和:4676

約数の個数: 80

約数和(自身を含む): 46532771712

約数和(自身を除く): 25722897200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 227, 386, 454, 772, 908, 1351, 1544, 1589, 1816, 2702, 3088, 3178, 3632, 4241, 5404, 6356, 8482, 10808, 12712, 16964, 21616, 25424, 29687, 33928, 43811, 59374, 67856, 87622, 118748, 175244, 237496, 306677, 350488, 474992, 613354, 700976, 818513, 962707, 1226708, 1637026, 1925414, 2453416, 3274052, 3850828, 4906832, 5729591, 6548104, 6738949, 7701656, 11459182, 13096208, 13477898, 15403312, 22918364, 26955796, 45836728, 53911592, 91673456, 107823184, 185802451, 371604902, 743209804, 1300617157, 1486419608, 2601234314, 2972839216, 5202468628, 10404937256, 20809874512]

約数ペア:

[(1, 20809874512), (2, 10404937256), (4, 5202468628), (7, 2972839216), (8, 2601234314), (14, 1486419608), (16, 1300617157), (28, 743209804), (56, 371604902), (112, 185802451), (193, 107823184), (227, 91673456), (386, 53911592), (454, 45836728), (772, 26955796), (908, 22918364), (1351, 15403312), (1544, 13477898), (1589, 13096208), (1816, 11459182), (2702, 7701656), (3088, 6738949), (3178, 6548104), (3632, 5729591), (4241, 4906832), (5404, 3850828), (6356, 3274052), (8482, 2453416), (10808, 1925414), (12712, 1637026), (16964, 1226708), (21616, 962707), (25424, 818513), (29687, 700976), (33928, 613354), (43811, 474992), (59374, 350488), (67856, 306677), (87622, 237496), (118748, 175244)]