20099691885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4691}}^1$

素因数の和:4835

約数の個数: 128

約数和(自身を含む): 41064984576

約数和(自身を除く): 20965292691

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 73, 91, 105, 129, 195, 215, 219, 273, 301, 365, 455, 511, 559, 645, 903, 949, 1095, 1365, 1505, 1533, 1677, 2555, 2795, 2847, 3139, 3913, 4515, 4691, 4745, 6643, 7665, 8385, 9417, 11739, 14073, 14235, 15695, 19565, 19929, 21973, 23455, 32837, 33215, 40807, 47085, 58695, 60983, 65919, 70365, 98511, 99645, 109865, 122421, 164185, 182949, 201713, 204035, 285649, 304915, 329595, 342443, 426881, 492555, 605139, 612105, 856947, 914745, 1008565, 1027329, 1280643, 1411991, 1428245, 1712215, 2134405, 2397101, 2622269, 3025695, 4235973, 4284735, 4451759, 5136645, 6403215, 7059955, 7191303, 7866807, 11985505, 13111345, 13355277, 14725049, 18355883, 21179865, 22258795, 31162313, 35956515, 39334035, 44175147, 55067649, 66776385, 73625245, 91779415, 93486939, 103075343, 155811565, 191425637, 220875735, 275338245, 309226029, 467434695, 515376715, 574276911, 957128185, 1339979459, 1546130145, 2871384555, 4019938377, 6699897295, 20099691885]

約数ペア:

[(1, 20099691885), (3, 6699897295), (5, 4019938377), (7, 2871384555), (13, 1546130145), (15, 1339979459), (21, 957128185), (35, 574276911), (39, 515376715), (43, 467434695), (65, 309226029), (73, 275338245), (91, 220875735), (105, 191425637), (129, 155811565), (195, 103075343), (215, 93486939), (219, 91779415), (273, 73625245), (301, 66776385), (365, 55067649), (455, 44175147), (511, 39334035), (559, 35956515), (645, 31162313), (903, 22258795), (949, 21179865), (1095, 18355883), (1365, 14725049), (1505, 13355277), (1533, 13111345), (1677, 11985505), (2555, 7866807), (2795, 7191303), (2847, 7059955), (3139, 6403215), (3913, 5136645), (4515, 4451759), (4691, 4284735), (4745, 4235973), (6643, 3025695), (7665, 2622269), (8385, 2397101), (9417, 2134405), (11739, 1712215), (14073, 1428245), (14235, 1411991), (15695, 1280643), (19565, 1027329), (19929, 1008565), (21973, 914745), (23455, 856947), (32837, 612105), (33215, 605139), (40807, 492555), (47085, 426881), (58695, 342443), (60983, 329595), (65919, 304915), (70365, 285649), (98511, 204035), (99645, 201713), (109865, 182949), (122421, 164185)]