20211371070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{51511}}^1$

素因数の和:51602

約数の個数: 128

約数和(自身を含む): 56078023680

約数和(自身を除く): 35866652610

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 41, 55, 58, 66, 82, 87, 110, 123, 145, 165, 174, 205, 246, 290, 319, 330, 410, 435, 451, 615, 638, 870, 902, 957, 1189, 1230, 1353, 1595, 1914, 2255, 2378, 2706, 3190, 3567, 4510, 4785, 5945, 6765, 7134, 9570, 11890, 13079, 13530, 17835, 26158, 35670, 39237, 51511, 65395, 78474, 103022, 130790, 154533, 196185, 257555, 309066, 392370, 515110, 566621, 772665, 1133242, 1493819, 1545330, 1699863, 2111951, 2833105, 2987638, 3399726, 4223902, 4481457, 5666210, 6335853, 7469095, 8499315, 8962914, 10559755, 12671706, 14938190, 16432009, 16998630, 21119510, 22407285, 23231461, 31679265, 32864018, 44814570, 46462922, 49296027, 61246579, 63358530, 69694383, 82160045, 98592054, 116157305, 122493158, 139388766, 164320090, 183739737, 232314610, 246480135, 306232895, 348471915, 367479474, 492960270, 612465790, 673712369, 696943830, 918698685, 1347424738, 1837397370, 2021137107, 3368561845, 4042274214, 6737123690, 10105685535, 20211371070]

約数ペア:

[(1, 20211371070), (2, 10105685535), (3, 6737123690), (5, 4042274214), (6, 3368561845), (10, 2021137107), (11, 1837397370), (15, 1347424738), (22, 918698685), (29, 696943830), (30, 673712369), (33, 612465790), (41, 492960270), (55, 367479474), (58, 348471915), (66, 306232895), (82, 246480135), (87, 232314610), (110, 183739737), (123, 164320090), (145, 139388766), (165, 122493158), (174, 116157305), (205, 98592054), (246, 82160045), (290, 69694383), (319, 63358530), (330, 61246579), (410, 49296027), (435, 46462922), (451, 44814570), (615, 32864018), (638, 31679265), (870, 23231461), (902, 22407285), (957, 21119510), (1189, 16998630), (1230, 16432009), (1353, 14938190), (1595, 12671706), (1914, 10559755), (2255, 8962914), (2378, 8499315), (2706, 7469095), (3190, 6335853), (3567, 5666210), (4510, 4481457), (4785, 4223902), (5945, 3399726), (6765, 2987638), (7134, 2833105), (9570, 2111951), (11890, 1699863), (13079, 1545330), (13530, 1493819), (17835, 1133242), (26158, 772665), (35670, 566621), (39237, 515110), (51511, 392370), (65395, 309066), (78474, 257555), (103022, 196185), (130790, 154533)]