20228216211

素因数分解:

$3^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{120391}}^1$

素因数の和:120541

約数の個数: 48

約数和(自身を含む): 35135201280

約数和(自身を除く): 14906985069

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 127, 147, 189, 381, 441, 889, 1143, 1323, 2667, 3429, 6223, 8001, 18669, 24003, 56007, 120391, 168021, 361173, 842737, 1083519, 2528211, 3250557, 5899159, 7584633, 15289657, 17697477, 22753899, 45868971, 53092431, 107027599, 137606913, 159277293, 321082797, 412820739, 749193193, 963248391, 2247579579, 2889745173, 6742738737, 20228216211]

約数ペア:

[(1, 20228216211), (3, 6742738737), (7, 2889745173), (9, 2247579579), (21, 963248391), (27, 749193193), (49, 412820739), (63, 321082797), (127, 159277293), (147, 137606913), (189, 107027599), (381, 53092431), (441, 45868971), (889, 22753899), (1143, 17697477), (1323, 15289657), (2667, 7584633), (3429, 5899159), (6223, 3250557), (8001, 2528211), (18669, 1083519), (24003, 842737), (56007, 361173), (120391, 168021)]