20161245608

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:920

約数の個数: 192

約数和(自身を含む): 48903264000

約数和(自身を除く): 28742018392

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 49, 56, 68, 92, 98, 119, 136, 161, 184, 196, 199, 238, 322, 391, 392, 398, 476, 644, 661, 782, 796, 833, 952, 1127, 1288, 1322, 1393, 1564, 1592, 1666, 2254, 2644, 2737, 2786, 3128, 3332, 3383, 4508, 4577, 4627, 5288, 5474, 5572, 6664, 6766, 9016, 9154, 9254, 9751, 10948, 11144, 11237, 13532, 15203, 18308, 18508, 19159, 19502, 21896, 22474, 23681, 27064, 30406, 32039, 32389, 36616, 37016, 38318, 39004, 44948, 47362, 60812, 64078, 64778, 76636, 77809, 78008, 78659, 89896, 94724, 106421, 121624, 128156, 129556, 131539, 153272, 155618, 157318, 165767, 189448, 212842, 224273, 256312, 258451, 259112, 263078, 311236, 314636, 331534, 425684, 448546, 516902, 526156, 544663, 550613, 622472, 629272, 663068, 744947, 851368, 897092, 920773, 1033804, 1052312, 1089326, 1101226, 1326136, 1489894, 1794184, 1809157, 1841546, 2067608, 2178652, 2202452, 2236163, 2979788, 3025397, 3618314, 3683092, 3812641, 4357304, 4404904, 4472326, 5959576, 6050794, 6445411, 7236628, 7366184, 7625282, 8944652, 12101588, 12664099, 12890822, 14473256, 15250564, 15653141, 17889304, 21177779, 24203176, 25328198, 25781644, 30501128, 31306282, 42355558, 50656396, 51431749, 51563288, 62612564, 84711116, 101312792, 102863498, 109571987, 125225128, 148244453, 169422232, 205726996, 219143974, 296488906, 360022243, 411453992, 438287948, 592977812, 720044486, 876575896, 1185955624, 1440088972, 2520155701, 2880177944, 5040311402, 10080622804, 20161245608]

約数ペア:

[(1, 20161245608), (2, 10080622804), (4, 5040311402), (7, 2880177944), (8, 2520155701), (14, 1440088972), (17, 1185955624), (23, 876575896), (28, 720044486), (34, 592977812), (46, 438287948), (49, 411453992), (56, 360022243), (68, 296488906), (92, 219143974), (98, 205726996), (119, 169422232), (136, 148244453), (161, 125225128), (184, 109571987), (196, 102863498), (199, 101312792), (238, 84711116), (322, 62612564), (391, 51563288), (392, 51431749), (398, 50656396), (476, 42355558), (644, 31306282), (661, 30501128), (782, 25781644), (796, 25328198), (833, 24203176), (952, 21177779), (1127, 17889304), (1288, 15653141), (1322, 15250564), (1393, 14473256), (1564, 12890822), (1592, 12664099), (1666, 12101588), (2254, 8944652), (2644, 7625282), (2737, 7366184), (2786, 7236628), (3128, 6445411), (3332, 6050794), (3383, 5959576), (4508, 4472326), (4577, 4404904), (4627, 4357304), (5288, 3812641), (5474, 3683092), (5572, 3618314), (6664, 3025397), (6766, 2979788), (9016, 2236163), (9154, 2202452), (9254, 2178652), (9751, 2067608), (10948, 1841546), (11144, 1809157), (11237, 1794184), (13532, 1489894), (15203, 1326136), (18308, 1101226), (18508, 1089326), (19159, 1052312), (19502, 1033804), (21896, 920773), (22474, 897092), (23681, 851368), (27064, 744947), (30406, 663068), (32039, 629272), (32389, 622472), (36616, 550613), (37016, 544663), (38318, 526156), (39004, 516902), (44948, 448546), (47362, 425684), (60812, 331534), (64078, 314636), (64778, 311236), (76636, 263078), (77809, 259112), (78008, 258451), (78659, 256312), (89896, 224273), (94724, 212842), (106421, 189448), (121624, 165767), (128156, 157318), (129556, 155618), (131539, 153272)]