20161686820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1114

約数の個数: 192

約数和(自身を含む): 49537474560

約数和(自身を除く): 29375787740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 47, 55, 58, 71, 94, 110, 116, 142, 145, 188, 220, 235, 284, 290, 319, 355, 470, 517, 580, 638, 710, 781, 940, 947, 1034, 1276, 1363, 1420, 1562, 1595, 1894, 2059, 2068, 2585, 2726, 3124, 3190, 3337, 3788, 3905, 4118, 4735, 5170, 5452, 6380, 6674, 6815, 7810, 8236, 9470, 10295, 10340, 10417, 13348, 13630, 14993, 15620, 16685, 18940, 20590, 20834, 22649, 27260, 27463, 29986, 33370, 36707, 41180, 41668, 44509, 45298, 52085, 54926, 59972, 66740, 67237, 73414, 74965, 89018, 90596, 96773, 104170, 109852, 113245, 134474, 137315, 146828, 149930, 178036, 183535, 193546, 208340, 222545, 226490, 268948, 274630, 299860, 302093, 336185, 367070, 387092, 445090, 452980, 483865, 489599, 549260, 604186, 672370, 734140, 739607, 890180, 967730, 979198, 1064503, 1208372, 1290761, 1344740, 1479214, 1510465, 1935460, 1949873, 1958396, 2129006, 2447995, 2581522, 2958428, 3020930, 3160139, 3698035, 3899746, 4258012, 4895990, 5163044, 5322515, 6041860, 6320278, 6453805, 7396070, 7799492, 9749365, 9791980, 10645030, 12640556, 12907610, 14198371, 14792140, 15800695, 19498730, 21290060, 21448603, 25815220, 28396742, 31601390, 34761529, 38997460, 42897206, 56793484, 63202780, 69523058, 70991855, 85794412, 91644031, 107243015, 139046116, 141983710, 173807645, 183288062, 214486030, 283967420, 347615290, 366576124, 428972060, 458220155, 695230580, 916440310, 1008084341, 1832880620, 2016168682, 4032337364, 5040421705, 10080843410, 20161686820]

約数ペア:

[(1, 20161686820), (2, 10080843410), (4, 5040421705), (5, 4032337364), (10, 2016168682), (11, 1832880620), (20, 1008084341), (22, 916440310), (29, 695230580), (44, 458220155), (47, 428972060), (55, 366576124), (58, 347615290), (71, 283967420), (94, 214486030), (110, 183288062), (116, 173807645), (142, 141983710), (145, 139046116), (188, 107243015), (220, 91644031), (235, 85794412), (284, 70991855), (290, 69523058), (319, 63202780), (355, 56793484), (470, 42897206), (517, 38997460), (580, 34761529), (638, 31601390), (710, 28396742), (781, 25815220), (940, 21448603), (947, 21290060), (1034, 19498730), (1276, 15800695), (1363, 14792140), (1420, 14198371), (1562, 12907610), (1595, 12640556), (1894, 10645030), (2059, 9791980), (2068, 9749365), (2585, 7799492), (2726, 7396070), (3124, 6453805), (3190, 6320278), (3337, 6041860), (3788, 5322515), (3905, 5163044), (4118, 4895990), (4735, 4258012), (5170, 3899746), (5452, 3698035), (6380, 3160139), (6674, 3020930), (6815, 2958428), (7810, 2581522), (8236, 2447995), (9470, 2129006), (10295, 1958396), (10340, 1949873), (10417, 1935460), (13348, 1510465), (13630, 1479214), (14993, 1344740), (15620, 1290761), (16685, 1208372), (18940, 1064503), (20590, 979198), (20834, 967730), (22649, 890180), (27260, 739607), (27463, 734140), (29986, 672370), (33370, 604186), (36707, 549260), (41180, 489599), (41668, 483865), (44509, 452980), (45298, 445090), (52085, 387092), (54926, 367070), (59972, 336185), (66740, 302093), (67237, 299860), (73414, 274630), (74965, 268948), (89018, 226490), (90596, 222545), (96773, 208340), (104170, 193546), (109852, 183535), (113245, 178036), (134474, 149930), (137315, 146828)]