20165052105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{2939}}^1$

素因数の和:3211

約数の個数: 96

約数和(自身を含む): 38833966080

約数和(自身を除く): 18668913975

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 83, 99, 165, 167, 249, 415, 495, 501, 747, 835, 913, 1245, 1503, 1837, 2505, 2739, 2939, 3735, 4565, 5511, 7515, 8217, 8817, 9185, 13695, 13861, 14695, 16533, 26451, 27555, 32329, 41085, 41583, 44085, 69305, 82665, 96987, 124749, 132255, 152471, 161645, 207915, 243937, 290961, 457413, 484935, 490813, 623745, 731811, 762355, 1219685, 1372239, 1454805, 1472439, 2195433, 2287065, 2454065, 2683307, 3659055, 4417317, 5398943, 6861195, 7362195, 8049921, 10977165, 13416535, 16196829, 22086585, 24149763, 26994715, 40249605, 40737479, 48590487, 80984145, 120748815, 122212437, 203687395, 242952435, 366637311, 448112269, 611062185, 1344336807, 1833186555, 2240561345, 4033010421, 6721684035, 20165052105]

約数ペア:

[(1, 20165052105), (3, 6721684035), (5, 4033010421), (9, 2240561345), (11, 1833186555), (15, 1344336807), (33, 611062185), (45, 448112269), (55, 366637311), (83, 242952435), (99, 203687395), (165, 122212437), (167, 120748815), (249, 80984145), (415, 48590487), (495, 40737479), (501, 40249605), (747, 26994715), (835, 24149763), (913, 22086585), (1245, 16196829), (1503, 13416535), (1837, 10977165), (2505, 8049921), (2739, 7362195), (2939, 6861195), (3735, 5398943), (4565, 4417317), (5511, 3659055), (7515, 2683307), (8217, 2454065), (8817, 2287065), (9185, 2195433), (13695, 1472439), (13861, 1454805), (14695, 1372239), (16533, 1219685), (26451, 762355), (27555, 731811), (32329, 623745), (41085, 490813), (41583, 484935), (44085, 457413), (69305, 290961), (82665, 243937), (96987, 207915), (124749, 161645), (132255, 152471)]