20804828108

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1\times {\mathrm{977}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 37388361024

約数和(自身を除く): 16583532916

約数列:

[1, 2, 4, 71, 97, 142, 194, 284, 388, 773, 977, 1546, 1954, 3092, 3908, 6887, 13774, 27548, 54883, 69367, 74981, 94769, 109766, 138734, 149962, 189538, 219532, 277468, 299924, 379076, 755221, 1510442, 3020884, 5323651, 6728599, 10647302, 13457198, 21294604, 26914396, 53620691, 73256437, 107241382, 146512874, 214482764, 293025748, 5201207027, 10402414054, 20804828108]

約数ペア:

[(1, 20804828108), (2, 10402414054), (4, 5201207027), (71, 293025748), (97, 214482764), (142, 146512874), (194, 107241382), (284, 73256437), (388, 53620691), (773, 26914396), (977, 21294604), (1546, 13457198), (1954, 10647302), (3092, 6728599), (3908, 5323651), (6887, 3020884), (13774, 1510442), (27548, 755221), (54883, 379076), (69367, 299924), (74981, 277468), (94769, 219532), (109766, 189538), (138734, 149962)]