20173753838

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{67427}}^1$

素因数の和:67557

約数の個数: 48

約数和(自身を含む): 36527635584

約数和(自身を除く): 16353881746

約数列:

[1, 2, 7, 14, 43, 49, 71, 86, 98, 142, 301, 497, 602, 994, 2107, 3053, 3479, 4214, 6106, 6958, 21371, 42742, 67427, 134854, 149597, 299194, 471989, 943978, 2899361, 3303923, 4787317, 5798722, 6607846, 9574634, 20295527, 33511219, 40591054, 67022438, 142068689, 205854631, 234578533, 284137378, 411709262, 469157066, 1440982417, 2881964834, 10086876919, 20173753838]

約数ペア:

[(1, 20173753838), (2, 10086876919), (7, 2881964834), (14, 1440982417), (43, 469157066), (49, 411709262), (71, 284137378), (86, 234578533), (98, 205854631), (142, 142068689), (301, 67022438), (497, 40591054), (602, 33511219), (994, 20295527), (2107, 9574634), (3053, 6607846), (3479, 5798722), (4214, 4787317), (6106, 3303923), (6958, 2899361), (21371, 943978), (42742, 471989), (67427, 299194), (134854, 149597)]