20516892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 36382692

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 41, 44, 51, 66, 68, 82, 102, 123, 132, 164, 187, 204, 223, 246, 374, 446, 451, 492, 561, 669, 697, 748, 892, 902, 1122, 1338, 1353, 1394, 1804, 2091, 2244, 2453, 2676, 2706, 2788, 3791, 4182, 4906, 5412, 7359, 7582, 7667, 8364, 9143, 9812, 11373, 14718, 15164, 15334, 18286, 22746, 23001, 27429, 29436, 30668, 36572, 41701, 45492, 46002, 54858, 83402, 92004, 100573, 109716, 125103, 155431, 166804, 201146, 250206, 301719, 310862, 402292, 466293, 500412, 603438, 621724, 932586, 1206876, 1709741, 1865172, 3419482, 5129223, 6838964, 10258446, 20516892]

約数ペア:

[(1, 20516892), (2, 10258446), (3, 6838964), (4, 5129223), (6, 3419482), (11, 1865172), (12, 1709741), (17, 1206876), (22, 932586), (33, 621724), (34, 603438), (41, 500412), (44, 466293), (51, 402292), (66, 310862), (68, 301719), (82, 250206), (102, 201146), (123, 166804), (132, 155431), (164, 125103), (187, 109716), (204, 100573), (223, 92004), (246, 83402), (374, 54858), (446, 46002), (451, 45492), (492, 41701), (561, 36572), (669, 30668), (697, 29436), (748, 27429), (892, 23001), (902, 22746), (1122, 18286), (1338, 15334), (1353, 15164), (1394, 14718), (1804, 11373), (2091, 9812), (2244, 9143), (2453, 8364), (2676, 7667), (2706, 7582), (2788, 7359), (3791, 5412), (4182, 4906)]