20171608422

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2731}}^1$

素因数の和:2891

約数の個数: 128

約数和(自身を含む): 48835046400

約数和(自身を除く): 28663437978

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 97, 98, 111, 147, 194, 222, 259, 291, 294, 343, 518, 582, 679, 686, 777, 1029, 1358, 1554, 1813, 2037, 2058, 2731, 3589, 3626, 4074, 4753, 5439, 5462, 7178, 8193, 9506, 10767, 10878, 12691, 14259, 16386, 19117, 21534, 25123, 25382, 28518, 33271, 38073, 38234, 50246, 57351, 66542, 75369, 76146, 99813, 101047, 114702, 133819, 150738, 175861, 199626, 202094, 264907, 267638, 303141, 351722, 401457, 527583, 529814, 606282, 707329, 794721, 802914, 936733, 1055166, 1231027, 1414658, 1589442, 1854349, 1873466, 2121987, 2462054, 2810199, 3693081, 3708698, 4243974, 4951303, 5563047, 5620398, 7386162, 9801559, 9902606, 11126094, 12980443, 14853909, 19603118, 25960886, 29404677, 29707818, 34659121, 38941329, 58809354, 68610913, 69318242, 77882658, 90863101, 103977363, 137221826, 181726202, 205832739, 207954726, 272589303, 411665478, 480276391, 545178606, 960552782, 1440829173, 2881658346, 3361934737, 6723869474, 10085804211, 20171608422]

約数ペア:

[(1, 20171608422), (2, 10085804211), (3, 6723869474), (6, 3361934737), (7, 2881658346), (14, 1440829173), (21, 960552782), (37, 545178606), (42, 480276391), (49, 411665478), (74, 272589303), (97, 207954726), (98, 205832739), (111, 181726202), (147, 137221826), (194, 103977363), (222, 90863101), (259, 77882658), (291, 69318242), (294, 68610913), (343, 58809354), (518, 38941329), (582, 34659121), (679, 29707818), (686, 29404677), (777, 25960886), (1029, 19603118), (1358, 14853909), (1554, 12980443), (1813, 11126094), (2037, 9902606), (2058, 9801559), (2731, 7386162), (3589, 5620398), (3626, 5563047), (4074, 4951303), (4753, 4243974), (5439, 3708698), (5462, 3693081), (7178, 2810199), (8193, 2462054), (9506, 2121987), (10767, 1873466), (10878, 1854349), (12691, 1589442), (14259, 1414658), (16386, 1231027), (19117, 1055166), (21534, 936733), (25123, 802914), (25382, 794721), (28518, 707329), (33271, 606282), (38073, 529814), (38234, 527583), (50246, 401457), (57351, 351722), (66542, 303141), (75369, 267638), (76146, 264907), (99813, 202094), (101047, 199626), (114702, 175861), (133819, 150738)]