20131568656

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 40265994240

約数和(自身を除く): 20134425584

約数列:

[1, 2, 4, 8, 16, 47, 94, 179, 188, 347, 358, 376, 431, 694, 716, 752, 862, 1388, 1432, 1724, 2776, 2864, 3448, 5552, 6896, 8413, 16309, 16826, 20257, 32618, 33652, 40514, 62113, 65236, 67304, 77149, 81028, 124226, 130472, 134608, 149557, 154298, 162056, 248452, 260944, 299114, 308596, 324112, 496904, 598228, 617192, 993808, 1196456, 1234384, 2392912, 2919311, 3626003, 5838622, 7029179, 7252006, 11677244, 14058358, 14504012, 23354488, 26770703, 28116716, 29008024, 46708976, 53541406, 56233432, 58016048, 107082812, 112466864, 214165624, 428331248, 1258223041, 2516446082, 5032892164, 10065784328, 20131568656]

約数ペア:

[(1, 20131568656), (2, 10065784328), (4, 5032892164), (8, 2516446082), (16, 1258223041), (47, 428331248), (94, 214165624), (179, 112466864), (188, 107082812), (347, 58016048), (358, 56233432), (376, 53541406), (431, 46708976), (694, 29008024), (716, 28116716), (752, 26770703), (862, 23354488), (1388, 14504012), (1432, 14058358), (1724, 11677244), (2776, 7252006), (2864, 7029179), (3448, 5838622), (5552, 3626003), (6896, 2919311), (8413, 2392912), (16309, 1234384), (16826, 1196456), (20257, 993808), (32618, 617192), (33652, 598228), (40514, 496904), (62113, 324112), (65236, 308596), (67304, 299114), (77149, 260944), (81028, 248452), (124226, 162056), (130472, 154298), (134608, 149557)]