20215932016

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{32587}}^1$

素因数の和:32822

約数の個数: 80

約数和(自身を含む): 46551306240

約数和(自身を除く): 26335374224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 191, 203, 232, 382, 406, 464, 764, 812, 1337, 1528, 1624, 2674, 3056, 3248, 5348, 5539, 10696, 11078, 21392, 22156, 32587, 38773, 44312, 65174, 77546, 88624, 130348, 155092, 228109, 260696, 310184, 456218, 521392, 620368, 912436, 945023, 1824872, 1890046, 3649744, 3780092, 6224117, 6615161, 7560184, 12448234, 13230322, 15120368, 24896468, 26460644, 43568819, 49792936, 52921288, 87137638, 99585872, 105842576, 174275276, 180499393, 348550552, 360998786, 697101104, 721997572, 1263495751, 1443995144, 2526991502, 2887990288, 5053983004, 10107966008, 20215932016]

約数ペア:

[(1, 20215932016), (2, 10107966008), (4, 5053983004), (7, 2887990288), (8, 2526991502), (14, 1443995144), (16, 1263495751), (28, 721997572), (29, 697101104), (56, 360998786), (58, 348550552), (112, 180499393), (116, 174275276), (191, 105842576), (203, 99585872), (232, 87137638), (382, 52921288), (406, 49792936), (464, 43568819), (764, 26460644), (812, 24896468), (1337, 15120368), (1528, 13230322), (1624, 12448234), (2674, 7560184), (3056, 6615161), (3248, 6224117), (5348, 3780092), (5539, 3649744), (10696, 1890046), (11078, 1824872), (21392, 945023), (22156, 912436), (32587, 620368), (38773, 521392), (44312, 456218), (65174, 310184), (77546, 260696), (88624, 228109), (130348, 155092)]