20616565584

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{39293}}^1$

素因数の和:39964

約数の個数: 80

約数和(自身を含む): 56481509952

約数和(自身を除く): 35864944368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 643, 816, 1286, 1929, 2572, 3858, 5144, 7716, 10288, 10931, 15432, 21862, 30864, 32793, 39293, 43724, 65586, 78586, 87448, 117879, 131172, 157172, 174896, 235758, 262344, 314344, 471516, 524688, 628688, 667981, 943032, 1335962, 1886064, 2003943, 2671924, 4007886, 5343848, 8015772, 10687696, 16031544, 25265399, 32063088, 50530798, 75796197, 101061596, 151592394, 202123192, 303184788, 404246384, 429511783, 606369576, 859023566, 1212739152, 1288535349, 1718047132, 2577070698, 3436094264, 5154141396, 6872188528, 10308282792, 20616565584]

約数ペア:

[(1, 20616565584), (2, 10308282792), (3, 6872188528), (4, 5154141396), (6, 3436094264), (8, 2577070698), (12, 1718047132), (16, 1288535349), (17, 1212739152), (24, 859023566), (34, 606369576), (48, 429511783), (51, 404246384), (68, 303184788), (102, 202123192), (136, 151592394), (204, 101061596), (272, 75796197), (408, 50530798), (643, 32063088), (816, 25265399), (1286, 16031544), (1929, 10687696), (2572, 8015772), (3858, 5343848), (5144, 4007886), (7716, 2671924), (10288, 2003943), (10931, 1886064), (15432, 1335962), (21862, 943032), (30864, 667981), (32793, 628688), (39293, 524688), (43724, 471516), (65586, 314344), (78586, 262344), (87448, 235758), (117879, 174896), (131172, 157172)]