20678224112

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{757}}^1$

素因数の和:1115

約数の個数: 160

約数和(自身を含む): 50245867392

約数和(自身を除く): 29567643280

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 257, 292, 364, 511, 514, 584, 728, 757, 949, 1022, 1028, 1168, 1456, 1514, 1799, 1898, 2044, 2056, 3028, 3341, 3598, 3796, 4088, 4112, 5299, 6056, 6643, 6682, 7196, 7592, 8176, 9841, 10598, 12112, 13286, 13364, 14392, 15184, 18761, 19682, 21196, 23387, 26572, 26728, 28784, 37522, 39364, 42392, 46774, 53144, 53456, 55261, 68887, 75044, 78728, 84784, 93548, 106288, 110522, 131327, 137774, 150088, 157456, 187096, 194549, 221044, 243893, 262654, 275548, 300176, 374192, 386827, 389098, 442088, 487786, 525308, 551096, 718393, 773654, 778196, 884176, 975572, 1050616, 1102192, 1361843, 1436786, 1547308, 1556392, 1707251, 1951144, 2101232, 2529137, 2723686, 2873572, 3094616, 3112784, 3414502, 3902288, 5028751, 5058274, 5447372, 5747144, 6189232, 6829004, 10057502, 10116548, 10894744, 11494288, 13658008, 14202077, 17703959, 20115004, 20233096, 21789488, 27316016, 28404154, 35407918, 40230008, 40466192, 56808308, 70815836, 80460016, 99414539, 113616616, 141631672, 184627001, 198829078, 227233232, 283263344, 369254002, 397658156, 738508004, 795316312, 1292389007, 1477016008, 1590632624, 2584778014, 2954032016, 5169556028, 10339112056, 20678224112]

約数ペア:

[(1, 20678224112), (2, 10339112056), (4, 5169556028), (7, 2954032016), (8, 2584778014), (13, 1590632624), (14, 1477016008), (16, 1292389007), (26, 795316312), (28, 738508004), (52, 397658156), (56, 369254002), (73, 283263344), (91, 227233232), (104, 198829078), (112, 184627001), (146, 141631672), (182, 113616616), (208, 99414539), (257, 80460016), (292, 70815836), (364, 56808308), (511, 40466192), (514, 40230008), (584, 35407918), (728, 28404154), (757, 27316016), (949, 21789488), (1022, 20233096), (1028, 20115004), (1168, 17703959), (1456, 14202077), (1514, 13658008), (1799, 11494288), (1898, 10894744), (2044, 10116548), (2056, 10057502), (3028, 6829004), (3341, 6189232), (3598, 5747144), (3796, 5447372), (4088, 5058274), (4112, 5028751), (5299, 3902288), (6056, 3414502), (6643, 3112784), (6682, 3094616), (7196, 2873572), (7592, 2723686), (8176, 2529137), (9841, 2101232), (10598, 1951144), (12112, 1707251), (13286, 1556392), (13364, 1547308), (14392, 1436786), (15184, 1361843), (18761, 1102192), (19682, 1050616), (21196, 975572), (23387, 884176), (26572, 778196), (26728, 773654), (28784, 718393), (37522, 551096), (39364, 525308), (42392, 487786), (46774, 442088), (53144, 389098), (53456, 386827), (55261, 374192), (68887, 300176), (75044, 275548), (78728, 262654), (84784, 243893), (93548, 221044), (106288, 194549), (110522, 187096), (131327, 157456), (137774, 150088)]