20410722

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 46570680

約数和(自身を除く): 26159958

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 641, 1098, 1282, 1769, 1923, 3538, 3846, 5307, 5769, 10614, 11538, 15921, 18589, 31842, 37178, 39101, 55767, 78202, 111534, 117303, 167301, 234606, 334602, 351909, 703818, 1133929, 2267858, 3401787, 6803574, 10205361, 20410722]

約数ペア:

[(1, 20410722), (2, 10205361), (3, 6803574), (6, 3401787), (9, 2267858), (18, 1133929), (29, 703818), (58, 351909), (61, 334602), (87, 234606), (122, 167301), (174, 117303), (183, 111534), (261, 78202), (366, 55767), (522, 39101), (549, 37178), (641, 31842), (1098, 18589), (1282, 15921), (1769, 11538), (1923, 10614), (3538, 5769), (3846, 5307)]