20486224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 47246976

約数和(自身を除く): 26760752

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 41, 44, 68, 82, 88, 136, 164, 167, 176, 187, 272, 328, 334, 374, 451, 656, 668, 697, 748, 902, 1336, 1394, 1496, 1804, 1837, 2672, 2788, 2839, 2992, 3608, 3674, 5576, 5678, 6847, 7216, 7348, 7667, 11152, 11356, 13694, 14696, 15334, 22712, 27388, 29392, 30668, 31229, 45424, 54776, 61336, 62458, 75317, 109552, 116399, 122672, 124916, 150634, 232798, 249832, 301268, 465596, 499664, 602536, 931192, 1205072, 1280389, 1862384, 2560778, 5121556, 10243112, 20486224]

約数ペア:

[(1, 20486224), (2, 10243112), (4, 5121556), (8, 2560778), (11, 1862384), (16, 1280389), (17, 1205072), (22, 931192), (34, 602536), (41, 499664), (44, 465596), (68, 301268), (82, 249832), (88, 232798), (136, 150634), (164, 124916), (167, 122672), (176, 116399), (187, 109552), (272, 75317), (328, 62458), (334, 61336), (374, 54776), (451, 45424), (656, 31229), (668, 30668), (697, 29392), (748, 27388), (902, 22712), (1336, 15334), (1394, 14696), (1496, 13694), (1804, 11356), (1837, 11152), (2672, 7667), (2788, 7348), (2839, 7216), (2992, 6847), (3608, 5678), (3674, 5576)]