20210513680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1481

約数の個数: 160

約数和(自身を含む): 54347521536

約数和(自身を除く): 34137007856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 197, 280, 334, 394, 560, 668, 788, 835, 985, 1097, 1169, 1336, 1379, 1576, 1670, 1970, 2194, 2338, 2672, 2758, 3152, 3340, 3940, 4388, 4676, 5485, 5516, 5845, 6680, 6895, 7679, 7880, 8776, 9352, 10970, 11032, 11690, 13360, 13790, 15358, 15760, 17552, 18704, 21940, 22064, 23380, 27580, 30716, 32899, 38395, 43880, 46760, 55160, 61432, 65798, 76790, 87760, 93520, 110320, 122864, 131596, 153580, 164495, 183199, 216109, 230293, 263192, 307160, 328990, 366398, 432218, 460586, 526384, 614320, 657980, 732796, 864436, 915995, 921172, 1080545, 1151465, 1282393, 1315960, 1465592, 1512763, 1728872, 1831990, 1842344, 2161090, 2302930, 2564786, 2631920, 2931184, 3025526, 3457744, 3663980, 3684688, 4322180, 4605860, 5129572, 6051052, 6411965, 7327960, 7563815, 8644360, 9211720, 10259144, 12102104, 12823930, 14655920, 15127630, 17288720, 18423440, 20518288, 24204208, 25647860, 30255260, 36090203, 51295720, 60510520, 72180406, 102591440, 121021040, 144360812, 180451015, 252631421, 288721624, 360902030, 505262842, 577443248, 721804060, 1010525684, 1263157105, 1443608120, 2021051368, 2526314210, 2887216240, 4042102736, 5052628420, 10105256840, 20210513680]

約数ペア:

[(1, 20210513680), (2, 10105256840), (4, 5052628420), (5, 4042102736), (7, 2887216240), (8, 2526314210), (10, 2021051368), (14, 1443608120), (16, 1263157105), (20, 1010525684), (28, 721804060), (35, 577443248), (40, 505262842), (56, 360902030), (70, 288721624), (80, 252631421), (112, 180451015), (140, 144360812), (167, 121021040), (197, 102591440), (280, 72180406), (334, 60510520), (394, 51295720), (560, 36090203), (668, 30255260), (788, 25647860), (835, 24204208), (985, 20518288), (1097, 18423440), (1169, 17288720), (1336, 15127630), (1379, 14655920), (1576, 12823930), (1670, 12102104), (1970, 10259144), (2194, 9211720), (2338, 8644360), (2672, 7563815), (2758, 7327960), (3152, 6411965), (3340, 6051052), (3940, 5129572), (4388, 4605860), (4676, 4322180), (5485, 3684688), (5516, 3663980), (5845, 3457744), (6680, 3025526), (6895, 2931184), (7679, 2631920), (7880, 2564786), (8776, 2302930), (9352, 2161090), (10970, 1842344), (11032, 1831990), (11690, 1728872), (13360, 1512763), (13790, 1465592), (15358, 1315960), (15760, 1282393), (17552, 1151465), (18704, 1080545), (21940, 921172), (22064, 915995), (23380, 864436), (27580, 732796), (30716, 657980), (32899, 614320), (38395, 526384), (43880, 460586), (46760, 432218), (55160, 366398), (61432, 328990), (65798, 307160), (76790, 263192), (87760, 230293), (93520, 216109), (110320, 183199), (122864, 164495), (131596, 153580)]