20215686960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{573007}}^1$

素因数の和:573040

約数の個数: 180

約数和(自身を含む): 78975400608

約数和(自身を除く): 58759713648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 573007, 1146014, 1719021, 2292028, 2865035, 3438042, 4011049, 4584056, 5157063, 5730070, 6876084, 8022098, 8595105, 9168112, 10314126, 11460140, 12033147, 13752168, 16044196, 17190210, 20055245, 20628252, 22920280, 24066294, 25785315, 27504336, 28077343, 32088392, 34380420, 36099441, 40110490, 41256504, 45840560, 48132588, 51570630, 56154686, 60165735, 64176784, 68760840, 72198882, 80220980, 82513008, 84232029, 96265176, 103141260, 112309372, 120331470, 137521680, 140386715, 144397764, 160441960, 168464058, 180497205, 192530352, 206282520, 224618744, 240662940, 252696087, 280773430, 288795528, 320883920, 336928116, 360994410, 412565040, 421160145, 449237488, 481325880, 505392174, 561546860, 577591056, 673856232, 721988820, 842320290, 962651760, 1010784348, 1123093720, 1263480435, 1347712464, 1443977640, 1684640580, 2021568696, 2246187440, 2526960870, 2887955280, 3369281160, 4043137392, 5053921740, 6738562320, 10107843480, 20215686960]

約数ペア:

[(1, 20215686960), (2, 10107843480), (3, 6738562320), (4, 5053921740), (5, 4043137392), (6, 3369281160), (7, 2887955280), (8, 2526960870), (9, 2246187440), (10, 2021568696), (12, 1684640580), (14, 1443977640), (15, 1347712464), (16, 1263480435), (18, 1123093720), (20, 1010784348), (21, 962651760), (24, 842320290), (28, 721988820), (30, 673856232), (35, 577591056), (36, 561546860), (40, 505392174), (42, 481325880), (45, 449237488), (48, 421160145), (49, 412565040), (56, 360994410), (60, 336928116), (63, 320883920), (70, 288795528), (72, 280773430), (80, 252696087), (84, 240662940), (90, 224618744), (98, 206282520), (105, 192530352), (112, 180497205), (120, 168464058), (126, 160441960), (140, 144397764), (144, 140386715), (147, 137521680), (168, 120331470), (180, 112309372), (196, 103141260), (210, 96265176), (240, 84232029), (245, 82513008), (252, 80220980), (280, 72198882), (294, 68760840), (315, 64176784), (336, 60165735), (360, 56154686), (392, 51570630), (420, 48132588), (441, 45840560), (490, 41256504), (504, 40110490), (560, 36099441), (588, 34380420), (630, 32088392), (720, 28077343), (735, 27504336), (784, 25785315), (840, 24066294), (882, 22920280), (980, 20628252), (1008, 20055245), (1176, 17190210), (1260, 16044196), (1470, 13752168), (1680, 12033147), (1764, 11460140), (1960, 10314126), (2205, 9168112), (2352, 8595105), (2520, 8022098), (2940, 6876084), (3528, 5730070), (3920, 5157063), (4410, 4584056), (5040, 4011049), (5880, 3438042), (7056, 2865035), (8820, 2292028), (11760, 1719021), (17640, 1146014), (35280, 573007)]