20809921952

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{12781}}^1$

素因数の和:12922

約数の個数: 96

約数和(自身を含む): 45049801104

約数和(自身を除く): 24239879152

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 73, 82, 136, 146, 164, 272, 292, 328, 544, 584, 656, 697, 1168, 1241, 1312, 1394, 2336, 2482, 2788, 2993, 4964, 5576, 5986, 9928, 11152, 11972, 12781, 19856, 22304, 23944, 25562, 39712, 47888, 50881, 51124, 95776, 101762, 102248, 203524, 204496, 217277, 407048, 408992, 434554, 524021, 814096, 869108, 933013, 1048042, 1628192, 1738216, 1866026, 2096084, 3476432, 3732052, 4192168, 6952864, 7464104, 8384336, 8908357, 14928208, 15861221, 16768672, 17816714, 29856416, 31722442, 35633428, 38253533, 63444884, 71266856, 76507066, 126889768, 142533712, 153014132, 253779536, 285067424, 306028264, 507559072, 612056528, 650310061, 1224113056, 1300620122, 2601240244, 5202480488, 10404960976, 20809921952]

約数ペア:

[(1, 20809921952), (2, 10404960976), (4, 5202480488), (8, 2601240244), (16, 1300620122), (17, 1224113056), (32, 650310061), (34, 612056528), (41, 507559072), (68, 306028264), (73, 285067424), (82, 253779536), (136, 153014132), (146, 142533712), (164, 126889768), (272, 76507066), (292, 71266856), (328, 63444884), (544, 38253533), (584, 35633428), (656, 31722442), (697, 29856416), (1168, 17816714), (1241, 16768672), (1312, 15861221), (1394, 14928208), (2336, 8908357), (2482, 8384336), (2788, 7464104), (2993, 6952864), (4964, 4192168), (5576, 3732052), (5986, 3476432), (9928, 2096084), (11152, 1866026), (11972, 1738216), (12781, 1628192), (19856, 1048042), (22304, 933013), (23944, 869108), (25562, 814096), (39712, 524021), (47888, 434554), (50881, 408992), (51124, 407048), (95776, 217277), (101762, 204496), (102248, 203524)]