20218842688

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{4441}}^1$

素因数の和:4716

約数の個数: 112

約数和(自身を含む): 45491765760

約数和(自身を除く): 25272923072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 176, 223, 232, 319, 352, 446, 464, 638, 704, 892, 928, 1276, 1784, 1856, 2453, 2552, 3568, 4441, 4906, 5104, 6467, 7136, 8882, 9812, 10208, 12934, 14272, 17764, 19624, 20416, 25868, 35528, 39248, 48851, 51736, 71056, 71137, 78496, 97702, 103472, 128789, 142112, 142274, 156992, 195404, 206944, 257578, 284224, 284548, 390808, 413888, 515156, 569096, 781616, 990343, 1030312, 1138192, 1416679, 1563232, 1980686, 2060624, 2276384, 2833358, 3126464, 3961372, 4121248, 4552768, 5666716, 7922744, 8242496, 10893773, 11333432, 15845488, 21787546, 22666864, 28719947, 31690976, 43575092, 45333728, 57439894, 63381952, 87150184, 90667456, 114879788, 174300368, 229759576, 315919417, 348600736, 459519152, 631838834, 697201472, 919038304, 1263677668, 1838076608, 2527355336, 5054710672, 10109421344, 20218842688]

約数ペア:

[(1, 20218842688), (2, 10109421344), (4, 5054710672), (8, 2527355336), (11, 1838076608), (16, 1263677668), (22, 919038304), (29, 697201472), (32, 631838834), (44, 459519152), (58, 348600736), (64, 315919417), (88, 229759576), (116, 174300368), (176, 114879788), (223, 90667456), (232, 87150184), (319, 63381952), (352, 57439894), (446, 45333728), (464, 43575092), (638, 31690976), (704, 28719947), (892, 22666864), (928, 21787546), (1276, 15845488), (1784, 11333432), (1856, 10893773), (2453, 8242496), (2552, 7922744), (3568, 5666716), (4441, 4552768), (4906, 4121248), (5104, 3961372), (6467, 3126464), (7136, 2833358), (8882, 2276384), (9812, 2060624), (10208, 1980686), (12934, 1563232), (14272, 1416679), (17764, 1138192), (19624, 1030312), (20416, 990343), (25868, 781616), (35528, 569096), (39248, 515156), (48851, 413888), (51736, 390808), (71056, 284548), (71137, 284224), (78496, 257578), (97702, 206944), (103472, 195404), (128789, 156992), (142112, 142274)]