20120668414

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{209717}}^1$

素因数の和:209833

約数の個数: 48

約数和(自身を含む): 38730720240

約数和(自身を除く): 18610051826

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 539, 623, 979, 1078, 1246, 1958, 4361, 6853, 8722, 13706, 47971, 95942, 209717, 419434, 1468019, 2306887, 2936038, 4613774, 10276133, 16148209, 18664813, 20552266, 32296418, 37329626, 113037463, 130653691, 205312943, 226074926, 261307382, 410625886, 914575837, 1437190601, 1829151674, 2874381202, 10060334207, 20120668414]

約数ペア:

[(1, 20120668414), (2, 10060334207), (7, 2874381202), (11, 1829151674), (14, 1437190601), (22, 914575837), (49, 410625886), (77, 261307382), (89, 226074926), (98, 205312943), (154, 130653691), (178, 113037463), (539, 37329626), (623, 32296418), (979, 20552266), (1078, 18664813), (1246, 16148209), (1958, 10276133), (4361, 4613774), (6853, 2936038), (8722, 2306887), (13706, 1468019), (47971, 419434), (95942, 209717)]