20997482016

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1077457}}^1$

素因数の和:1077506

約数の個数: 96

約数和(自身を含む): 65164659840

約数和(自身を除く): 44167177824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 84, 87, 96, 112, 116, 168, 174, 203, 224, 232, 336, 348, 406, 464, 609, 672, 696, 812, 928, 1218, 1392, 1624, 2436, 2784, 3248, 4872, 6496, 9744, 19488, 1077457, 2154914, 3232371, 4309828, 6464742, 7542199, 8619656, 12929484, 15084398, 17239312, 22626597, 25858968, 30168796, 31246253, 34478624, 45253194, 51717936, 60337592, 62492506, 90506388, 93738759, 103435872, 120675184, 124985012, 181012776, 187477518, 218723771, 241350368, 249970024, 362025552, 374955036, 437447542, 499940048, 656171313, 724051104, 749910072, 874895084, 999880096, 1312342626, 1499820144, 1749790168, 2624685252, 2999640288, 3499580336, 5249370504, 6999160672, 10498741008, 20997482016]

約数ペア:

[(1, 20997482016), (2, 10498741008), (3, 6999160672), (4, 5249370504), (6, 3499580336), (7, 2999640288), (8, 2624685252), (12, 1749790168), (14, 1499820144), (16, 1312342626), (21, 999880096), (24, 874895084), (28, 749910072), (29, 724051104), (32, 656171313), (42, 499940048), (48, 437447542), (56, 374955036), (58, 362025552), (84, 249970024), (87, 241350368), (96, 218723771), (112, 187477518), (116, 181012776), (168, 124985012), (174, 120675184), (203, 103435872), (224, 93738759), (232, 90506388), (336, 62492506), (348, 60337592), (406, 51717936), (464, 45253194), (609, 34478624), (672, 31246253), (696, 30168796), (812, 25858968), (928, 22626597), (1218, 17239312), (1392, 15084398), (1624, 12929484), (2436, 8619656), (2784, 7542199), (3248, 6464742), (4872, 4309828), (6496, 3232371), (9744, 2154914), (19488, 1077457)]