20659072005

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 256

約数和(自身を含む): 45302906880

約数和(自身を除く): 24643834875

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 41, 43, 45, 55, 65, 99, 117, 123, 129, 135, 143, 165, 195, 205, 215, 297, 351, 369, 387, 429, 451, 473, 495, 533, 559, 585, 607, 615, 645, 715, 1107, 1161, 1287, 1353, 1419, 1485, 1599, 1677, 1755, 1763, 1821, 1845, 1935, 2145, 2255, 2365, 2665, 2795, 3035, 3861, 4059, 4257, 4797, 5031, 5289, 5463, 5535, 5805, 5863, 6149, 6435, 6677, 6765, 7095, 7891, 7995, 8385, 8815, 9105, 12177, 12771, 14391, 15093, 15867, 16389, 17589, 18447, 19305, 19393, 20031, 20295, 21285, 22919, 23673, 23985, 24887, 25155, 26101, 26445, 27315, 29315, 30745, 33385, 39455, 47601, 52767, 55341, 58179, 60093, 60885, 63855, 68757, 71019, 71955, 74661, 75465, 78303, 79335, 81945, 86801, 87945, 92235, 96965, 100155, 114595, 118365, 124435, 130505, 158301, 166023, 174537, 180279, 206271, 213057, 223983, 234909, 238005, 252109, 260403, 263835, 273757, 276705, 287111, 290895, 300465, 323531, 339313, 343785, 355095, 373305, 391515, 434005, 523611, 618813, 671949, 704727, 756327, 781209, 791505, 821271, 830115, 861333, 872685, 901395, 970593, 1017939, 1031355, 1065285, 1070141, 1119915, 1174545, 1260545, 1302015, 1368785, 1435555, 1617655, 1696565, 2268981, 2343627, 2463813, 2583999, 2618055, 2911779, 3053817, 3094065, 3210423, 3359745, 3523635, 3558841, 3732443, 3781635, 3906045, 4106355, 4306665, 4852965, 5089695, 5350705, 6806943, 7391439, 7751997, 8735337, 9161451, 9631269, 10676523, 11197329, 11344905, 11718135, 11771551, 12319065, 12919995, 13911833, 14558895, 15269085, 16052115, 17794205, 18662215, 28893807, 32029569, 33591987, 34034715, 35314653, 36957195, 38759985, 41735499, 43676685, 45807255, 48156345, 53382615, 55986645, 58857755, 69559165, 96088707, 100775961, 105943959, 125206497, 144469035, 153030163, 160147845, 167959935, 176573265, 208677495, 317831877, 375619491, 459090489, 480443535, 503879805, 529719795, 626032485, 765150815, 1377271467, 1589159385, 1878097455, 2295452445, 4131814401, 6886357335, 20659072005]

約数ペア:

[(1, 20659072005), (3, 6886357335), (5, 4131814401), (9, 2295452445), (11, 1878097455), (13, 1589159385), (15, 1377271467), (27, 765150815), (33, 626032485), (39, 529719795), (41, 503879805), (43, 480443535), (45, 459090489), (55, 375619491), (65, 317831877), (99, 208677495), (117, 176573265), (123, 167959935), (129, 160147845), (135, 153030163), (143, 144469035), (165, 125206497), (195, 105943959), (205, 100775961), (215, 96088707), (297, 69559165), (351, 58857755), (369, 55986645), (387, 53382615), (429, 48156345), (451, 45807255), (473, 43676685), (495, 41735499), (533, 38759985), (559, 36957195), (585, 35314653), (607, 34034715), (615, 33591987), (645, 32029569), (715, 28893807), (1107, 18662215), (1161, 17794205), (1287, 16052115), (1353, 15269085), (1419, 14558895), (1485, 13911833), (1599, 12919995), (1677, 12319065), (1755, 11771551), (1763, 11718135), (1821, 11344905), (1845, 11197329), (1935, 10676523), (2145, 9631269), (2255, 9161451), (2365, 8735337), (2665, 7751997), (2795, 7391439), (3035, 6806943), (3861, 5350705), (4059, 5089695), (4257, 4852965), (4797, 4306665), (5031, 4106355), (5289, 3906045), (5463, 3781635), (5535, 3732443), (5805, 3558841), (5863, 3523635), (6149, 3359745), (6435, 3210423), (6677, 3094065), (6765, 3053817), (7095, 2911779), (7891, 2618055), (7995, 2583999), (8385, 2463813), (8815, 2343627), (9105, 2268981), (12177, 1696565), (12771, 1617655), (14391, 1435555), (15093, 1368785), (15867, 1302015), (16389, 1260545), (17589, 1174545), (18447, 1119915), (19305, 1070141), (19393, 1065285), (20031, 1031355), (20295, 1017939), (21285, 970593), (22919, 901395), (23673, 872685), (23985, 861333), (24887, 830115), (25155, 821271), (26101, 791505), (26445, 781209), (27315, 756327), (29315, 704727), (30745, 671949), (33385, 618813), (39455, 523611), (47601, 434005), (52767, 391515), (55341, 373305), (58179, 355095), (60093, 343785), (60885, 339313), (63855, 323531), (68757, 300465), (71019, 290895), (71955, 287111), (74661, 276705), (75465, 273757), (78303, 263835), (79335, 260403), (81945, 252109), (86801, 238005), (87945, 234909), (92235, 223983), (96965, 213057), (100155, 206271), (114595, 180279), (118365, 174537), (124435, 166023), (130505, 158301)]